International Level:
1) Participated “The Current Developments in Mathematics (CDM) conference”, jointly hosted by Harvard University and the Massachusetts Institute of Technology (MIT) (through virtual mode), from 2022-03-18 to 2022-03-19.
2) Invited talk: Bohr radius for Banach spaces on simply connected domains, Computational Methods in Function Theory (CMFT), The Federico Santa María Technical University in Valparaíso, Chile, January 10-14, 2022.
3) Plenary talk “Bohr phenomenon for harmonic Bloch functions on simply connected domains” (with Himadri Halder) at VIII International Conference of Mathematics and Computer Science "Congressio Mathematica", University of Warmia and Mazury in Olsztyn, Poland, during September 19–25, 2022.
4) Invited Talk: The Bohr phenomenon for Banach Spaces at Wuerzburg Complex Analysis Seminar, University of Wuerzburg, Germany on February 4th, 2022.
5) Plenary talk “ The Bohr phenomenon for certain analytic and univalent functions” at the VI Conference of Mathematics and Computer Science, "Congressio Mathematica", University of Warmia and Mazury in Olsztyn, Poland, during November 21-22; 28–29, 2020.
6) Plenary talk “ On the Third Logarithmic Coefficient of Close-to-convex Functions” (with Md Firoz Ali and D.K. Thomas) at V International Conference of Mathematics and Computer Science "Congressio Mathematica", University of Warmia and Mazury in Olsztyn, Poland, during September 23–25, 2018.
7) Short Communication “Certain subclasses of harmonic univalent mappings” (with Nirupam Ghosh) in Short Communication at International Congress of Mathematicians (ICM 2018), Rio de Janeiro (Brazil) during August 1–9, 2018.
8) Invited talk “On the Growth of Some Subclasses of the Class of Univalent Functions” at International Symposium in Geometric Function Theory and Applications at Isik University, Turkey during August 26-September 4, 2013.
9) Invited talks “On region of variabilities for family of analytic functions” at the Department of Applied Sciences, Yamaguchi University, Ube, Japan during December 19–23, 2011.
10) Short Communication “ Region of variability for spirallike functions with respect to a boundary point” at International Congress of Mathematicians (ICM 2010) at Hyderabad, August 19–27, 2010.
11) Invited talk “ Region of variability for functions with positive real part” at ICM 2010-Satellite Conference: International Workshop on Harmonic and Quasiconformal Mappings (HQM2010) at IIT Madras, August 09-17, 2010.
12) Invited talk : “Region of variability for functions with positive real part” in Helsinki Analysis seminar at Department of Mathematics and Statistics, University of Helsinki, Finland on September 28, 2009.
13) Invited talk “Region of variability and Fekete Szeg¨o problem for exponentially convex univalent functions” in Helsinki Analysis seminar at Department of Mathematics and Statistics, University of Helsinki, Finland on September 14, 2009.
14) Invited talk “Region of variability for exponentially convex univalent functions” at International conference on Complex Analysis and Related Topics, 12th Romannian-Finnish Seminar at University Turku, Finland, August 17-21, 2009.
15) Invited talk “Region of variability for exponentially convex univalent functions” in Turku Analysis seminar at Department of Mathematics, University of Turku, Finland on August 07, 2009.
16) Invited talk “Certain classes of univalent functions and radius problems” in Turku Analysis Seminar at Department of Mathematics, University of Turku, Finland on January 30, 2008.
17) Invited talk “Region of variability for certain classes of univalent functions satisfying differential inequalities” at Finnish Mathematical Days 2008 at Helsinki University of Technology, Helsinki, Finland, January 3-4, 2008.
National Level:
1) Invite talk "Bohr radius for certain classes of analytic and harmonic mappings" at IIT Tirupathi on 18-11-2022.
2) Invited lectures at “Annual Foundation School – I (AFS-I)” at the Department of Mathematics, NIT Durgapur, during December 12, 2022 to January 7, 2023.
3) Invited talk “Bohr and Rogosinski inequalities for operator valued holomorphic functions” In the Symposium “Complex Analysis” of 37th Annual Conference of Ramanujan Mathematical Society during 06 - 08, December 2022.
4) Invited Talk: On logarithmic coefficients problem for univalent functions, One Day International Symposium on Mathematical Analysis on the occasion of National Mathematics Day (134th Birth Anniversary of Srinivasa Ramanujan) Amity University, Haryana 22-12–2022.
5) Participated 36th Annual Conference of Ramanujan Mathematical Society from 2021-08-04 to 2021-08-07 (Attend through Virtual conference mode)
6) Invited talk: Bohr radius for certain classes of analytic and harmonic mappings, Faculty Development Program(FDP) on Mathematical Approaches in Science and Engineering?, Koneru Lakshmaiah Education Foundation (deemed to be University), 11-02-2021
7) Participated 35th Annual Conference of Ramanujan Mathematical Society from 2020-12-28 to 2020-12-30 (Attend through Virtual conference mode)
8) Participated 35th Ramanujan Mathematical Society (RMS) Pre-Conference Symposium on Complex Analysis organised by Central University, Rajasthan from 2020-12-27 to 2020-12-27 (Attend through Virtual conference mode)
9) Invited talk: On logarithmic coefficients of some close-to-convex functions at International Webinar on Recent Trends in Geometric Function Theory & Applications (RTGFTA-2020), September 18-21, 2020 KIIT Deemed to be University, Bhubaneswar.
10) Talk: “Region of variability for certain subclasses of univalent functions” (Awarded for the Best Paper Presentation Award)at , 22nd Annual conference of Ramanujan Mathematical Society at the Department of Mathematical and Computational Sciences, National Institute of Technology Surathkal, India during June 6-8, 2007.