Ph.D. at University of LEEDS, U.K. 
Utkal University  17/4/2004 – Present  Reader/Asst. Professor StageIII 
Lecturer  16.8.198726.9.1987  F.M. college, Balasore (govt college) after the selection in OPSC 
Senior Lecturer  13.9.199330.12.1999  Sambalpur University 
Reader in CAS  31.12.19995.7.2001  Sambalpur University 
Reader in open post  6.7.200116.8.2004  Sambalpur University 
Reader in open post  17.8. 200430.12.2007  Utkal University 
Professor(CAS)  31.12 200720.11.2015  Utkal University 
Professor in open post  20.11.2015 till date continuing  Utkal University 
Utkal University  17/4/2004 – Present  Reader/Asst. Professor StageIII 
Lecturer  16.8.198726.9.1987  F.M. college, Balasore (govt college) after the selection in OPSC 
Senior Lecturer  13.9.199330.12.1999  Sambalpur University 
Reader in CAS  31.12.19995.7.2001  Sambalpur University 
Reader in open post  6.7.200116.8.2004  Sambalpur University 
Reader in open post  17.8. 200430.12.2007  Utkal University 
Professor(CAS)  31.12 200720.11.2015  Utkal University 
Professor in open post  20.11.2015 till date continuing  Utkal University 
 Das, N. and J. R. Partington, Little Hankel operators on the half plane, Integral equations and operator theory, 20(1994),306324. (International)
 Das, N., The kernel of a Hankel operator on the Bergman space, Bulletin of the London Mathematical Society, 31(1999), 7580.(International)
 Das, N., Fredholm Toeplitz operators on the Bergman space, Recent trends in Mathematical sciences, Narosa, vol.1(2000), 94106.(National)
 Das, N.,Norm of Toeplitz operators on the Bergman space, Indian Journal of pure and applied Mathematics, INSA, New Delhi, 33(2)(2002),255267. (National)
 Das, N., Operator valued Toeplitz operators on the Hardy space, Indian Journal of pure and applied Mathematics, INSA, New Delhi, 33(2)(2002), 193202.(National)
 Das, N., Finite rank Toeplitz operators on the Bergman space, Bulletin of the Calcutta Mathematical Society, 94(2)(2002), 113120.(National)
 Das, N., Some ergodicity properties of the Berezin transform, Journal of the Orissa Mathematical society, vol. 2122, 20022003, 121141. (National)
 Das, N.,Pradhan, S.K., A generalized quadrature rule and its applications to special means, Journal of Science and technology, S. U., vol. xiv & xv(B)(2003), 5158. (National)
 Das. N., Finite rank little Hankel operators on Bergmantype spaces, Vietnam journal of Maths (a SpringerVerlag publication), 32:4(2004), 361369.(International)
 Das, N., On Toeplitzlike operators in L2h; Journal of the Indian Math. soc, vol.71, Nos 14 (2004), 245252.(National)
 Das, N., Berezin symbols and bounded linear operators on the Bergman space, Proc. of the International conference on Analysis and discrete structures,Mathematical analysis and applications,2004, Narosa publishing house, New Delhi, 6978.(National)
 Mohapatra, C.K., Das, N. Composition operators on weighted Hardy space, Indian J. of Maths, 48(1), 2006, 6382.(National)
 Das, N. Little Hankel operators and inner functions,Journal of international academy of physical sciences, vol.11(2007), 3139.(National)
 Das, N., Lal, R. P. and Mohapatra, C. K., On a class of composition operators on Bergman space, International journal of Mathematics and Mathematical sciences, vol. 2007,Article ID 39819, doi: 10,1155/2007/39819. (International)
 Das, N. and Sahoo, S., A HardyHilbert type inequality, International Mathematical Forum,vol.3,No.28(2008), 13631374. (International)
 Das, N., Little Hankel operators between Bergman spaces of the right half plane, New Zeland Journal of Mathematics, vol. 38(2008), 99119. (International)
 Das, N., Complemented subspaces in L1(D); Vietnam Journal of Mathematics, 36:4 (2008), 373386.(International)
 Das, N. Sahoo, S., A generalization of multiple HardyHilbert’s integral inequality, Journal of Mathematical inequalities, vol.3, No. 1 (2009), 139154. (International)
 Das, N. and Jena, P.K., Asymptotic properties of composition operators on the Bergman space, New Zeland Journal of Mathematics, vol. 39(2009), 213237.(International)
 Das, N. and Sahoo, S., On a generalization of HardyHilbert’s integral inequality,Buletinul Academiei De stinte, A research Moldova Mathematica, No.2(60), 2009, 91110, ISSN 10247696. (International)
 Das, N., Schatten class Toeplitz operators on the Bergman space, Hindwai publishing corp., International Journal of Mathematics and Mathematical sciences, 2009, Article ID 921324, 16 pages, doi 101155/2009/ 921324 (International)
 Das, N. Sahoo, S., New inequalities similar to HardyHilbert’s inequality, Turkish journal of Mathematics 34(2010), 153165. (International)
 Das, N. and Sahoo, S., New inequalities of HardyHilbert type, Buletinul Academiei De stinte, A republicii Moldova Mathematica, No.2(63), 2010, 112. (International)
 Das, N, and Sahoo, M., On asymptotic properties of Toeplitz operators, Vietnam J. of Mathematics, 38:4(2010),381393.(International)
 Das, N. and Jena, P.K., Hankel operators with vector valued symbols on the Hardy space, Vietnam J. of Mathematics 38:1(2010), 4554. (International)
 Mohapatra, C.K.,Das, N., Composition operators on weighted Bergman spaces, Journal of the Orissa Mathematical society, vol. 11&12(199192),8193.(National)
 Mohapatra, C.K., Das, N. Composition operators on Bloch space, Journal of the Orissa Mathematical society, vol. 1720 (19982001), 4955.(National)
 Das, N.,Pradhan, S.K., Some quadrature rules for numerical integration of analytic functions, Proc. of the International conference on Analysis and discrete structures, Mathematical analysis and applications,2004, Narosa publishing house, New Delhi, 7989. (National)
 Das, N., Inner functions and Toeplitz operators, Journal of Science and technology, S. U., vol. xiv & xv(B)(2003), 4350. (National)
 Das, N.,Pradhan, S.K., A quadrature rule of higher precision, Journal of the Orissa Mathematical society, vol. 2122, 20022003, 2529.(National)
 Das, N., Certain uncomplemented subspaces in L1(D); Journal of Science and technology, S. U., vol. xvi(B)(2004), 4045.(National)
 Das, N.,Mohapatra, C.K., On some properties of Composition operators, journal of the Orissa Mathematical society, vol. 2324, 20042005, 122131.(National)
 Das, N., Pradhan, S.K., A quadrature rule for numerical integration of functions of more than one real variable, Journal of Science and technology, S. U., vol. xvi(B)(2004),7084.(National)
 Das, N., Big Hankel operators on Bergmantype spaces,journal of the Orissa Mathematical society, vol. 2324, 20042005, 146151.(National)
 Das, N., Lal, R.P., On the range of the Berezin transform, Journal of international academy of physical sciences, vol. 10(2006), 915.(National)
 Lal, R., Mohapatra, C. K. Das, N., A class of unitary operators on SiegalBargmann space, journal of the Orissa Mathematical society, vol. 2324, 20042005, 304315.(National)
 Das, N.,Mohapatra, C.K., A note on Composition operators on Bergman spaces,Journal of the Orissa Mathematical society, vol. 1720 (19982001), 143148. (National)
 Das, N. Sahoo, S., Weighted HardyHilbert’s inequality, Bulletin of the Marathwada Mathematical society, vol.9, No.1, 2008, 1830.(National)
 Das, N.,Pradhan, S.K., A generalized quadrature rule for functions of bounded variation and applications, Journal of the Orissa Mathematical society, vol.25 (1/2), 2006,7582.(National)
 Das, N. and Pradhan, S.K., A mixed quadrature formula using rules of lower order, Bulletin of the Marathwada Mathematical society, vol.5, No. 1, 2004, 2634.(National)
 Das, N.,Mohapatra, C.K., Composition operators, contractions and norm estimates, Journal of the Orissa Mathematical society, vol.2122, 20022003, 159169.(National)
 Das, N., Invertibility of Toeplitz operators on the Bergman space,Journal of the Orissa Mathematical society, vol. 26, No. 1 and 2 (2007), 18.(National)
 Das, N., Hankellike operators in L2h; Journal of international academy of physical sciences, vol.12 (2008), 111.(National)
 Das, N.,Mohapatra, C.K., Linear system and Hankel norm approximation, Journal of the Orissa Mathematical society, vol.2122, 20022003, 213225.(National)
 Das, N. Sahoo, S., A generalization of HardyHilbert’s inequality and its application, Bulletin of the Marathwada Mathematical society, vol. 9, No. 2, 2008, 4154. (National)
 Mohapatra, C.K., Das, N. Composition operators on the Bergman space over the upper half plane, Journal of of international academy of physical sciences, vol. 12(2008), 1323.(National)
 Das, N., The Berezin transform of bounded linear operators, Journal of Indian Mathematical society, vol.76, Nos. 14(2009), 4760.(National)
 Das, N. and Jena, P.K., Hankel operators on the Bergman space for the disk, Journal of Orissa Mathematical society, vol. 29, No.1 and 2(2010), 1725.(National)
 Das, N. Asymptotic Toeplitz and Hankel operators on the Bergman space, Indian Journal of pure and applied Mathematics, 41(2)(2010), 379400. (National)
 Das, N. Fredholm Toeplitz operators on the Bergman space over bounded symmetric domains, Bull. Calcutta Math. Soc. 102(1)(2010), 8998.(International)
 Das, N., Finite rank intermediate Hankel operators on Bergman space, Surveys in mathematics and its Applications, 6(2011), 195202.(International)
 Das, N. and Sahoo, M., Positive operators on the Bergman space and Berezin transform, Methods of Functional Analysis and Topology, 17(3)(2011), 204210.(International)
 Das, N. Sahoo, S., Hilbert inequality for vectorvalued functions, Archivum Mathematicum (BRNO) Tomus 47(2011),229243.(International)
 Das, N. and Sahoo, S., A Generalization of HardyHilbert’s Inequality for Nonhomogeneous Kernel, Bul. Acad. Stiinte Repub. Mold. Mat. 2011:3, 2944.(International)
 Das, N. and Jena, P. K., Schatten class operators on weighted Bergman spaces, Thai Journal of Mathematics, 10(2), (2012), 289303.
 Das, N., Berezin transform on the L2 spaces with respect to the invariant measure, Communications in Mathematical Analysis, 12(1), (2012), 134144.(International)
 Das, N. and Sahoo, S., A Generalization of HardyHilbert’s Inequality with multiparameter, Vietnam journal of Maths., 40:1(2012), 3145.(International)
 Das, N., Intertwining properties of bounded linear operators on the Bergman space, Methods of Functional Analysis and Topology, 18(3) ( 2012), 230242.(International)
 Das, N. and Jena, P.K., On the range and kernel of Toeplitz and little Hankel operators, Methods of Functional Analysis and Topology, 19(1), (2013), 5567.(International)
 Das, N. and Lal, R.P., Algebraic and ergodicity properties of the Berezin transform, Communications in Mathematical Analysis, 14(1), (2013), 85103.(International)
 Das, N. and Sahoo, M., Positive Toeplitz operators on the Bergman space, Ann. Funct. Anal. 4(2), (2013), 171182.(International)
 Das, N., Invariant subspaces and kernel of Toeplitz operators on the Bergman space, Rocky mountain journal of mathematics, 44(1)(2014), 3556.(International)
 Das, N., Toeplitz operators with bounded harmonic symbols, Ann. Acad. Rom. Sci.,Ser. Math. Appl. 6(1), (2014), 108113.(International)
 Das, N. and Sahoo, M., Certain distance estimates for operators on the Bergman space, Banach J. Math. Anal. 8(2)(2014), 193203.(International)
 Das, N. and Sahoo, M., Schatten class Toeplitz operators on the Bergman space over bounded symmetric domain, Methods of Functional Analysis and Topology 20(3)(2014),193212.(International)
 Das, N., On a class of weighted composition operators on Fock space, Bul. Acad. Stiinte Repub. Mold. Mat. 2(75) (2014),38.(International)
 Das, N. and Lal, R.P., Numerical solutions of a class of integral equations and the associated partial di erential equations, Vietnam Journal of Mathematics, Springer, DOI 10.1007/s 100130150150153z.(International)
 Das, N. and Lal, R.P., Reproducing kernel Hilbert spaces and the associated integral equations, Azerbaijan journal of Mathematics,5(2) (2015),2136.
 Das, N. and Sahoo, M., Dominations of Berezin transform, Vietnam J. of Mathematics, Springer DOI 10.1007/s 1001301401040.(International)
 Das, N. and Behera, J.K., Little Hankel operators and associated integral inequalities, Communications in Mathematical Analysis, 18(1)(2015),135.(International)
 Das, N. and Lal, R.P., Hyperbolic harmonic functions and the associated integral equations , Analele Universitatii de Vest, Timisoara Seria MatematicaInformatica LIII,1,(2015), Doi: 10.1515/awutm20150003, 3756.
 Das, N., Toeplitz and Hankel operators on a vectorvalued Bergman space, Khayyam Journal of Mathematics, 1(2)(2015),230242.
 Das, N., The Space l1(X) Ann. Acad. Rom. Sci.,Ser. Math. Appl. 8(1) 2016.
 Das, N. and Jena, P.K. Little Hankel operators on the Bergman space, Arab Journal of Mathematics, 22(1)(2016),7785.
 Das, N. and Behera, J.K., Toeplitz operators on L2a(C+); Ann. Acad. Rom. Sci.,Ser. Math. Appl., 8(2)(2016), 8195.
 Das, N. and Lal, R.P., The numerical solution of a class of Fredholm integral equations of second kind, Modelling & Applications & Theory, 1(1)(2016), 3655.
 Das, N., A Berezintype map and a class of weighted composition operators, Concrete Operators, 4(2017), 1831.
 Das, N. and Sahoo, M., Majorization of Berezin transform , Advances in Mathematics: Scienti c Journal, 6(No.2)(2017),8795.
 Das, N., A Berezintype map on L2a(C+); accepted, 2017.
 Das, N. and Behera, J.K., Schatten class operators in L(L2a(C+)), Analele Universitatii de Vest, Timisoara Seria Matematica Informatica LV, 2, (2017), 91117.
 Das, N., A Berezintype map on L2a(C+); Ann. Acad. Rom. Sci.,Ser. Math. Appl., 9(2)(2017), 152170.
 Das, N. and Behera, J.K., On a class of unitary operators on the Bergman space of the right half plane, Turk. J. Math., 42(2018), 471486.
 Das, N. and Behera, J.K.,Fixed points of a class of unitary operators, Adv. Oper. Theory 3(No.3)(2018), 538550.
 Behera, J.K. and Das, N., Essential norm estimates for little Hankel operators on L2a(C+); Ann. Acad. Rom. Sci.,Ser. Math. Appl., 10(2)(2018), 383401.
 Das, N. and Sahoo, M., Berezin transform of the absolute value of an operator, Ann. Funct. Anal., 9(No.2)(2018),151165.
 Das, N. and Lal, R.P., Invariant mean value property and the associated integral equations Ann. Acad. Rom. Sci.,Ser. Math. Appl., accepted, 2018.
 Sahoo, S., Das, N. and Mishra, D., Numerical radius inequalities for operator matrices, Adv. Oper. Theory 4(No.1)(2019), 197214..
 Das, N. and Das, S. K., On a Class of Weighted Composition Operators on the Bergman Space of the Upper Half Plane, Ann. Acad. Rom. Sci., Ser. Math. Appl., 11(2) (2019) 285311.
 Das, N. and Das, S. K., Finite Rank little Hankel operators on $L_{a}^{2}(\mathbb{U}_{+})$, Khayyam J. Math. (2021), DOI 10.22034/KJM.2021.243561.1964.
 Sahoo, S., Das, N. and Mishra, D., Numerical radius inequalities for operator matrices, Adv. Oper. Theory 4(No.1)(2019), 197214. (ESCI, Scopus)
M.Phil
Name of M. Phil Scholar  Title of Thesis  Year  University 
Aswini Ku. Sahu  Hankel operators on Hardy space  1994  Sambalpur University 
Pradeep Ku. Giri  Operatrs on Bergman space  1995  Sambalpur University 
Gopal krishna Mishra  On asymptotic Toeplitz and Hankel operators  1995  Sambalpur University 
Banashree Mishra  Interpolation in H^{1}  1997  Sambalpur University 
Pramod Ku. Sahu  Subnormal operators  1998  Sambalpur University 
Sauri Narayan Pradhan  Subharmonic Functions  1998  Sambalpur University 
Prafulla Ku. Sahu  Invariant Subspaces  1999  Sambalpur University 
Sonalika Hota  Hankel operators and approximation  2000  Sambalpur University 
by meromorphic functions  
Narmada Behera  Metrizable spaces  2000  Sambalpur University 
Mamata Patel  Berezin transform and  2001  Sambalpur University 
opertors on Bergman space  
Sudhir Ku. Pradhan  Inequalities and applications  2002  Sambalpur University 
in numerical integration  
Kedar Nath Senapati  The Hilbert Matrix  2002  Sambalpur University 
Deepak Ku. Behera  The Schwartz Lemma  2002  Sambalpur University 
Sangeeta Jaiswal  Operator Inequalities  2003  Sambalpur University 
Lalit Mohan Pradhan  Generalizations of Hilbert’s  2003  Sambalpur University 
and Hardy’s Inequalities  
Chitaranjan Swain  subharmonic Functions  2004  Utkal University 
B.J.Paikaray  Furuta inequality  2006  Utkal University 
and its application  
Laxmidhar Malik  A study of best  2006  Utkal University 
approximation in inner  
product spaces  
Litismita Jena  Ostrowskitype inequalities  2005  Utkal University 
and their applications  
Srinibas Sahoo  Generalizations of Hilbert’s  2005  Utkal University 
and HardyHilbert’s inequality  
Rajkishore Samal  Retarded Integral inequalities  2007  Utkal University

and their applications 


Ratikanta Behera  Numerical integration methods  2007  Utkal University

for the evaluation of singular integrals 


Sagarika Sethy  Numerical integration based  2008  Utkal University 
on iterated cubic splines 


Mamita Mallik  The Construction and application  2008  Utkal University 
of wavelets in Numerical Analysis  
Kalyani Pradhan  Multidimensional  2008  Utkal University 
quadrature rules  
Ritanjali Behera  The Berezin transform  2009  Utkal University 
on L^{p} spaces  
Trilochan Behera  A study on power  2009  Utkal University 
bounded operators  
Laxmipriya Nayak  Banach limit and  2010  Utkal University 
its applications  
Swagatika Das  Partially isometric approximation  2010  Utkal University

of positive operators  
Debahuti Paikray  Algebraic properties  2011  Utkal University 
of hyponormal operators  
Puspanjali Mohapatra  Numerical radius of  2011  Utkal University 
bounded linear operators  
Rajalaxmi Rath  Algebraic properties  2012  Utkal University

of positive operators  
Biswajit Mallick  Inequalities between  2012  Utkal University

Hardy and Bergman space  
Badal Behera  Fredholm integral  2012  Utkal University 
equations of the second kind  
Nirmal chandra Rout  Algebraic properties of  2013  Utkal University 
unitary operators  
Satyajit Sahoo  A study on generalizations  2014  Utkal University 
of HardyHilbert inequality  
Priyaranjan Mallick  A study on tensor  2014  Utkal University 
product of Hilbert spaces  
Atin Gayen  A Study on a stronger  2015  Utkal University 
notion of Connectedness  
Saroj kumar Sahoo  A study on numerical solutions  2015  Utkal University

of Volterra integral equations 


Smruti Ranjan Sahoo  On the numerical range of  2016  Utkal University

linear bounded operators  
Lucy Mohanty  Complemented subspaces of Banach spaces  2016  Utkal University 


Bhagyashree Parida  Schwarz lemma and its generalization  2016  Utkal University 
Satyajeet Beura  On certain distance estimates between  2017  Utkal University

bounded operators  
Byatikram Praharaj  Schattenclass operators on Hilbert space  2017  Utkal University 
Dillip Kumar Malika  Numerical radius inequalities for  2018  Utkal University

operator matrices  
Sonamani Sahoo  Riesz representation theorem and  2018  Utkal University 
its applications  
Pritipuspa Nanda  A numerical integration method to  2018  Utkal University 
evaluate multiple integrals  
Deepika Digal  A Study on Banach Algebra C(X)  2019  Utkal University 
Kishore Kumar Adek  Numerical Methods of Integration  2019  Utkal University 
Mamata rani Jena  Study on Certain Methods for  2019  Utkal University 
nding the zeros of Polynomials  
Siddharth Mitra  Generalization of Fibonacci and  2019  Utkal University 
Lucas Sequences  
Satyaprakash Satpathy  A Study on Numerical Solutions of  2019  Utkal University 
Fredholm Integral Equations of the Second kind  
Ph. D.
Name of the scholar  Registration No.  title of the thesis  Degree awarded 
Rajendra Prasad Lal(CSIR Fellow)  02Mathematics (Science)20042005  Computational methods and techniques of functional Analysis for solutions of certain integral equations  Degree awarded on 09.07.2013 (Noti cation No. ECVI/1563Math/1624/2013 dated 09.07.2013) 
Madhusmita Sahoo  35Mathematics (Science)20062007  Positive operators on Bergman spaces and their norm estimates  Degree awarded 
on 24.02.2014  
(Noti cation No. ECVI  
/1654Math/745/2014  
dated 24.02.2014)  
Pabitra kumar Jena(RGN Fellow)  01Mathematics (Science)20072008  Operators on the Bergman space  Degree awarded 
on 10.04.2014  
(Noti cation No. ECVI  
/1653Math/1953/2014  
dated 10.04.2014)  
Srinibas Sahoo  09Mathematics (Science)20062007 
HardyHilbert type inequalities  submitted thesis 
on 15.09.2010 and  
expired on 24.05.2011  
Jitendra Kumar Behera (RGN Fellow) 
01Mathematics (Science)20122013 
Toeplitz and Hankel  submitted 2018 
operators on certain  
function spaces  
Sworup Kumar Das(National Fellow)  01Mathematics (Science)20172018  Operators on the Bergman space of the upper half plane  Date of registration 15.09.2017 
Swarupa Roy(RGN Fellow)  02Mathematics(Science)20172018  Operators on weighted Bergman spaces  Date of registration 15.09.2017 
Satyajit Sahoo  03Mathematics (Science)20172018 
Hankel operators on Hilbert spaces  Date of registration 15.09.2017 
 International Seminars Attended / Papers Presented
 National Seminars Attended / Papers Presented
 Awarded with the Commonwealth academic staff fellowship from 19901993 to do Ph.D. at University of LEEDS, U.K.
Name of the course  Univ./Inst. organized  Subject with specialisation  Duration  
Summer Inst.  Sambalpur Univ.  Analysis,  1.6.94 to  
sponsored by UGC  Discrete Maths.  30.6.94  
under COSIST programme  and computing (UNIX) 


Refresher course in  Sambalpur University  Analysis and  1.8.94 to  
Maths. sponsored  computing  28.8.94  
by UGC  
All India summer Inst.  Utkal Univ.  Computer sc.,  30.5.88 to  
in Maths. and computer sc.  Numerical analysis,  26.6.88  
sponsored by UGC  applied functional analysis  
Winter School  ISI, Bangalore  Group representations and  2.10. 95 to  
function theory  14.10.95  
Instructional conference  Inst. of Mathematical sc., 

Nonlinear functional Anal.  3.2.97 to 
sponsored by the NBHM  C.I.T. campus, Madras  21.2.97  
Instructional workshop  ISI, Bangalore  Anal. and algebra  11.12.03 to  
16.12.03 
Orientation Programmes / Training programmes/Workshops Attended
Seminars/Workshop organized
Name of Seminar  Sponsors  Country and Date  Paper presented 
National seminar on Recent advances in Maths.  DRS(SAP) of UGC, New Delhi  Dept. of Maths, Burdwan, W.B., Feb. 0103,2000  Presented Asymptotic Toeplitz and Hankel operators on the Bergman space” 
National conf. on Recent trends in Maths and computing, 27th annual conf. of OMS  Dept of Maths,, U.U.,V.V. and Inst. of Maths and Appl, BBSR  Dept of Maths,U. U. V.V. 11th March 2000 to 12th March 2000  \Certain uncomplemented subspaces of L1(D)” 
International conf. on Recent advances in Math. Sc. and symposium on challenges in for the New Millenium  Dept. of Maths, I.I.T. Kharagpur  Dept. of Maths, I.I.T. Kharagpur from Dec. 2022.2000  presented Fredholm Toeplitz operators on the Bergman space” 
Seminar on Quasiconformal mappings in several complex variables,  Inst. of Maths and Appl., BBSR  Inst. of Maths and Appl., BBSR from 02.01.2001 to 05.01.2001  Attended Lectures of Prof. Adam Koranyi, City Univ., New York 
National Conf. on Recent trends in Maths (on the occasion of 3rd foundation day of Inst. of Maths and Appl and 28th annual conf. of OMS)  OMS and Inst. of Maths and Appl., BBSR  Inst. of Maths and Appl,BBSR from 27.05.2001 to 28.05.2001  presented Some ergodicity properties of the Berezin transform” 
Conf. on Functional Anal. and its appl.  Theoretical Stats and Maths division ISI,Kolkata  ISI Kolkata from 13.06.2001 to 15.06.2001  attended Lectures of many eminent Mathematicians 
29th annual convention of OMS and National Conf. on \Maths and appl.”  OEC, BBSR with OMS  OEC,BBSR, Feb. 2324,2002,  presented A note on Composition operators on Bergman spaces” 
International Conf. on Anal. and Discrete Struct.  I.I.T. Kharagpur  Dept. of Maths., I.I.T. Kharagpur, 2224,Dec. 2002  presented Berezin symbols and bounded linear operators on the Bergman space” 
30th Annual Conf. on OMS and National Conf. on “Role of Maths in Engg.and Technology”  CSIR,New Delhi  Inst. of Advanced Computer and Research, Prajukti Vihar,Rayagada, 22nd and 23rd Feb.,2003  Contributed Kernel of Hankel operators on weighted Bergman spaces” 
National conf. on anal. and related topics in honour of Prof.G.Das  Inst. of Maths and Appl.,Planetarium square,BBSR,751013  Inst. of Physics, BBSR,26.05.2003 to 27.05.2003  presented Little Hankel operators and inner functions” 
National conf. on analysis and related topics in honour of Prof.G.Das  Inst. of Maths and Appl.,Planetarium square,BBSR,751013  Inst. of Physics, BBSR,26.05.2003 to 27.05.2003  Presented On a class of weighted Composition operators on Fock space” 
National conf. on recent trends in anal. with emphasis on History of Maths  NBHM,AICTE,CCOST,CSIR  School of studies in Maths.,Pt.Ravishankar Shukla Univ.,Raipur, Chhattisgarh,Dec. 0406,2003  presented Little Hankel operators on the Bergman space and best approximation” 
The Joint IndiaAMS Maths meeting,American Mathematical society  NBHM,DST, INSA, New Delhi, ISI,Bangalore  I.I.Sc.Bangalore, India,17th20th Dec. 2003  
LAKE 2004  Inst. of Maths and Appl.,BBSR  Hotel SwostiPlaza Dec.0811,2004  
Annual conf. of OMS and National conf. On Math.Anal. and Appl.  NIST,Berhampur  Berhampur, Feb 0506,2005  presented an invited talk on Little Hankel operators between Bergman spaces of the right half plane” 
National seminar on recent advances in Analysis and appl.  UGC,New Delhi  Dept. of Maths, Utkal Univ.,Vanivihar, 12th March 13th March 2005  presented Kernel of little Hankel operators on weighted Bergman spaces” 
National seminar on recent advances on Fluid Dynamics and Appl.  UGC,New Delhi  Dept.of Maths, Utkal Univ., Vanivihar,19th and 20th March,2005 
National conf. on Fluid dynamics and computation  UGC,New Delhi  Dept. of Maths(DRS) Utkal Univ.,V.V., BBSR,July 2930,2006  
National seminar on
Analysis and Appl. 
UGC,New Delhi  Dept. of Maths(DRS),
Utkal Univ., Vanivihar ,BBSR, 30.03.06 to 31.03.06 
Presented The
Berezin transform of bounded operators on the Bergman space” 
Instructional conf. on
Mathematical techniques in computer Sc. 
UGC,New Delhi  Dept. of Maths,
Utkal Univ., Vanivihar ,BBSR, March 2530,2007 
Delivered an invited talk
on Numerical optimization methods” 
National conf. on
Fluid dynamics and Applications 
UGC, New Delhi  Dept. of Maths,
Utkal University, Vani Vihar ,BBSR, March 2530,2007 

National conf. in
Analysis and applications 
UGC, New Delhi  Dept. of Maths,
Utkal University, Vani Vihar, Bhubaneswar, 24.03.2007 to 25.03.2007 

Annual OMS conf.,
2009 
Inst. of Maths and
Appl., BBSR 
Inst. of Maths
and Appl., BBSR, Feb.0708,2009


National seminar on
recent advances in Fluid dynamics and appl. 
UGC, New Delhi  Dept. of Maths, Utkal
Univ.,Vani Vihar, BBSR,March 7th 2009


National seminar on
recent advances in Analysis and appl. 
UGC, New Delhi  Dept. of Maths, Utkal
Univ.,Vani Vihar, BBSR, March, 2425, 2012 

Indian Science
Congress 
KIIT Univ.,
Bhubaneswar 
KIIT Univ.
Bhubaneswar, 0307, January 2012 

39th Annual OMS conf.,
and National seminar on Cryptography 
VIVTECH and OMS  Vivekananda Inst. of
and Tech., BBSR, Feb.0405,2012 

41st Annual OMS conf.,
and International conference on Industrial Mathematics and Scienti c computing 
KIIT University
and OMS 
Dept. of Mathematics,
School of Applied Sciences KIIT University, Jan.0405,2014


National seminar on
Analysis and its Applications 
UGCDRS
programme, New Delhi 
Dept. of Maths, Utkal
Univ., Vani Vihar, BBSR, March 2122, 2015 

Workshop
on Analysis 
UGCDRS  Dept. of Maths, Utkal
Univ., Vani Vihar, BBSR, March 1920, 2015 

Skill Based workshop
on MATLAB 
Utkal University  Dept. of Maths, Utkal
Univ.,Vanivihar, BBSR, November 2021, 2015 

43rd Annual OMS conf.,
and national conference on Application of computational techniques to real world problems 
Indus College of
Engineering, Bhubaneswar and OMS 
Indus College
16th17th January, 2016 

Skill Based workshop
on MATLAB and MAPLE 
Utkal University  Dept. of Maths, Utkal
Univ., Vani Vihar, BBSR, 19th March, 2016 

Skill Based workshop
on \MATLAB and MAPLE” 
UGC  P.G. Dept. of Maths, Utkal
Univ., Vani Vihar, BBSR, MARCH 2425, 2017 

7th International conference
on soft computing for problem solving 
SocPros, 2017  Indian Institute of Technology,
Bhubaneswar 23rd24th December 2017 

National Seminar
on \Functional Analysis and its Applications” 
WBOHEPEE  P.G. Dept. of Mathematics, Utkal
University, Vani Vihar, BBSR, 11th March 2019 

National Seminar
on \Recent Trends in Mathematical Analysis and Applications” 
UGC  P.G. Dept. of Mathematics, Utkal
University, Vani Vihar, BBSR, 28th Feb01st March 2019 

46th Annual Conference of
Orissa Mathematical Society on National conference on Data Science” 
UGC  Silicon Institute of Technology,
Bhubaneswar,Jan1920, 2019 
Administrative experience:
Institutional Governance Responsibilities:
 Associate Course Coordinator(M.Tech.(Comp. Sc.))01.08.2006 to 31.05.2012
 O.D. Mathematics01.06.2012 to 31.05.2014
 Course Coordinator (M. Tech.(Comp. Sc.)) 15.10.2014 to till date
 Deputy Coordinator (DRS(SAP)): 20102012, 20132015.
 DRC, Chairman (Dept. of Mathematics) June 2012January 2014 and from July 2018 to till date continuing.
 Coordinator (DRS(SAP)): from July 2018 to till date continuing.
 O.D. Mathematics03.06.2016 to till date continuing.
 Syndicate Member From July 2019.
Professional Experience
a. Teaching: 28 years, Research: 28 years
b. Important Activities :
(i) HOD, P.G. Department of Mathematics, Utkal University
(1^{st} June 2012 to 31^{st} May 2014)
(ii) Course Coordinator, M. Tech(Computer Science) from 15^{th} October 2014 to till date
continuing
(iii) Deputy Coordinator DRS(SAP) from 20102012, 2013 to till date continuing.
(iv) Chairman SRC, Dept of Mathematics from June 2012 to February 2014
(v) Associate Course Coordinator(M.Tech.(Comp. Sc.)) 01.08. 2006 to 31.05. 2012
Member of Board of Studies
 Member of Board of Studies, Mathematics, Utkal University
 Institute of Mathematics, Andharua
Member of Department Research Committee
 G. Department of Mathematics, Utkal University
 G. Department of Commerce, Utkal University