Calcutta Logic Circle(regular member)
Second Indian Winter School on Logic, IIT Kanpur, January 14-26, 2008.
Third Indian Conference on logic and its application, IMSc Chennai, January, 7-11, 2009.
Logic and Interactive Rationality Seminar and working sessions (weekly meeting), University of Amsterdam.
Set theory, Classical and constructive, University of Amsterdam, May 6-7, 2010.
An intensive course on model theory by Jouko Vaeaenaenen, University of Amsterdam, May11-17, 2010.
Logic Colloquium 2010, Paris, July 25-31.
Mathematical Logic and Set Theory, IMSc Chennai, August 13-15, 2010.
International Congress of Mathematicians, Hyderabad, India, August 19-27, 2010.
Fourth Indian Conference on logic and its application, Delhi University, January 5-11, 2011.
Fourth Indian School on Logic and its applications, Manipal University, January 9-20, 2012.
TARK 2013, Institute of Mathematical Sciences, Chennai, January 7-9, 2013.
Fifth Indian Conference on logic and its application, Institute of Mathematical Sciences, Chennai, January 10-12, 2013.
Topology, Algebra, and Categories in Logic (TACL) 2013, Department of Mathematics, Vanderbilt University, Nashville, U.S.A, July 24-August 1, 2013.
BLAST 2013, Chapman University, Orange, Southern California, August 5-9, 2013.
Diagram, Logic and Cognition 2013, Kolkata, India, October 28-29, 2013.
Fifth Indian School on Logic and its applications, Tezpur University, January 6-17, 2014.
5th World Congress on Paraconsistency, Kolkata, India, February 13-17, 2014.
International Congress of Mathematicians, Seoul, Korea, August 13-21, 2014.
6th Indian Conference on logic and its application, IIT Bombay, Mumbai, India, January 8-10, 2015.
Topology, Algebra, and Categories in Logic (TACL) 2015, Campus of Salerno and Ischia, Italy, June 15-26, 2015.
Complexity, Algorithms, Automata and Logic Meet (CAALM) Chennai Mathematical Institute, India, January 21-25, 2019.
Eighth Indian Conference on Logic and its Applications 2019 (ICLA 2019), Indian Institute of Technology Delhi, India, March 1–5, 2019.
Fourth Symposium on Compositional Structures (SYCO 4), Chapman University, California, USA, May 22-23, 2019.