Delivered a talk on the paper titled as ``Region of variability for concave univalent functions" in the conference ``New directions in the theory of universal Zeta and L-functions" which was held at Wuerzburg University, Germany during the period 6th to 10th October, 2008.
Invited talk titled as ``Characterization and pre- Schwarzian norm estimate for concave univalent functions" delivered in ``International workshop on harmonic mappings and hyperbolic metrics (IWHMHM-09)" which was held at IIT Madras, Chennai during the period 10th to 19th December, 2009.
Colloquium talk titled as ``On concave univalent functions " delivered in the department of mathematics, Indian Institute of Science, Bangalore on 25th February, 2010.
Delivered a talk titled as ``On extreme point conjectures for concave univalent functions" at ICM 2010 - Satellite Conference ``International Workshop on Harmonic and Quasiconformal Mappings (HQM2010)'' IIT Madras during August 09--17, 2010.
Delivered a talk titled as ``On concave univalent functions" at Ahlfors-Bers Colloquium which was held at Rice University, Houston, TX, USA during March 24--27, 2011.
Presented a paper titled as ``On concave univalent functions" at the conference ``Harmonic and complex analysis and its applications" (HCAA-2012) which was held at Tenerife, Canary Islands, Spain during March 05--09, 2012.
Delivered an invited talk titled as ``Unbounded convex polygons, Blaschke product and concave univalent functions" at The 2nd GSIS-RCPAM international symposium on Geometric function theory and applications which was held at Tohoku University, Sendai, Japan during September 10--13, 2013.
Delivered an invited talk titled as ``Inequalities for the coefficients of meromorphic starlike functions with non-zero pole" at the ``International Symposium on Complex analysis and conformal geometry (ISCACG 2013)'' at IIT Indore during December 28--30, 2013.
Delivered an invited talk titled as ``Close-to-convexity of the concave maps and their extreme points with respect to the structure of the Hornich space" at the ``International Congress of Mathematicians (ICM 2014)'' at Seoul, Korea during August 13--21, 2014.
Delivered an invited talk titled as ``Regions of variability for a class of analytic and locally univalent functions defined by subordination" at the ``24th Annual Conference of Jammu Math. Soc.'' at University of Jammu during May 14--16, 2015.
Attended an international conference titled as "Quasiweeeknd-II, ten years after" at the University of Helsinki, Finland during December 10--13, 2015.
Delivered an invited talk ``On neighbourhoods of univalent functions" in the ``International conference on mathematical analysis and its applications.'' at IIT Roorkee during November 28-- December 02, 2016.
Delivered an invited talk ``On Bohr's inequality" in the `` Workshop on Planar Harmonic mappings and Quasiconformal Mappings'' at Central University of Rajasthan during March 19-- 23, 2018.
Delivered an invited talk on ``Quasiconformal extension of meromorphic functions with nonzero pole" in the international conference`` Complex Analysis and its Applications (COMAN-2018)" at the Branch of Kuban State University, Gelendzhik, Russia during June 02-- 09, 2018.
Attended an international workshop on "Cauchy-Riemann equations in higher dimensions" at ICTS, Bangalore during July 15th to 2nd August, 2019.
Delivered an invited talk on ``Lowener chain and quasiconformal extension of some classes of univalent functions" in the "International Conference on Special Functions & Applications (ICSFA-2019)" at Bikaner, Rajasthan during October 21-- 23, 2019.
Delivered an invited talk in the " International conference on Mathematical Analysis and Applications" at NIT Jamshedpur during November 2---4, 2020.
Delivered an invited talk in the " Refresher course in Mathematical Science" at University of Jammu during January 4--17, 2021.
Delivered an invited talk titled as "On Bloch's constant" at the "St Berchmans College", Changanacherry Kottayam, Kerala on 10-7-2021.
Delivered an invited talk titled as "Applications of complex analysis in fluid flow problems" at S. N.C. college , Bangalore on 3-9-2021.
Delivered a plenary talk titled as "Existence of nonzero poles produce nontrivial lower bounds for coefficients of certain harmonic univalent functions" at VIII International Conference of Mathematics and Computer Science- "Congressio-Mathematica", Poland, on 25-9-2022.
Delivered lectures in the Annual Foundation School (AFS -1) at NIT Durgapur during December 14th to December 17th, 2022.
Delivered an invited lecture on the occasion of National Mathematics Day celebration at Vidyasagar University, West Bengal, on 22nd December, 2022.
Delivered an invited talk in the International Workshop on Geometric Function Theory at IIT Madras, Chennai, during 18th August to 20th August, 2023.
Delivered an invited talk in the International conference on special functions and applications (ICSFA-2023) at Pondicherry University, Pondicherry, during 2nd November to 4th November, 2023.
Delivered an invited talk in the annual conference of the Ramanujan Mathematical Society (RMS-2023) at IIT Guwahati, Guwahati, during 22nd December to 24th December, 2023.
Delivered an invited talk at the International conference on complex analysis and computational fluid dynamics (ICCACFD-2024) at KIIT, Bhubaneswar, during 16th February to 18h February, 2024.
Delivered an invited talk in the International conference on special functions, analytic functions, metrics and quasiconformality (ICSAMY-2024) at IIT Indore, during 17th December to 20th December, 2024.
Delivered an invited talk in the annual meeting of the Ramanujan Mathematical Society (RMS-2024) at Christ University, Bangalore during 27th December to 29th December, 2024.
Delivered an invited talk in the National conference on Recent Trends of Research in Mathematical Sciences at Fakir Mohan University, Balasore, Odisha during 30th May to 31st May, 2025.