Knot Theory, Number Theory and Connections, Sheffield University, U.K. December 16, 2014 – December 17, 2014.
Number Theory and Applications, Centre International de Rencontres Mathematiques, Luminy, France, March 10, 2014 – March 14, 2014.
Arithmetic intersection theory and Shimura varieties, Hausdorff Research Institute for Mathematics, Bonn, Germany, February 03, 2014 – February 07, 2014.
Automorphic forms seminar Aachen-Koeln-Lille-Siegen, Max Planck Institute for Mathematics, Bonn, Germany, December 18, 2013.
Joint MPIM and B-IT workshop on Number Theory and Cryptography, Max Planck Institute for Mathematics, Bonn, Germany, November 20, 2013.
Postech Winter School 2012: The Birch and Swinnerton-Dyer conjecture, Pohang University of Science and Technology, Korea, January 6, 2012 – January14, 2012.
Advanced course on modularity, Centre de Recerca Matematica, Barcelona, Spain, June 14, 2010 – June 25, 2010.
Spitalfields Day - Potential Modularity, Isaac Newton Institute for Mathematical Sciences, Cambridge, U.K. October 30, 2009.
Algebraic and Arithmetic Geometry of Higher-Dimensional Varieties Programme, University of Bristol, U.K. August 31, 2009 – September 04, 2009.
Nonabelian Fundamental Groups in Arithmetic Geometry, Issac NMI, Cambridge, U.K., July 27, 2009 – July 31, 2009.
26th Journees Arithmetiques, Saint-Etienne, France, July 6, 2009 – July 10, 2009.
Nottingham - Dublin Number Theory Day, University of Nottingham, U.K. May 2, 2009.
Canadian Number Theory Association X Meeting, University of Waterloo, Canada July 13, 2008 – July 18, 2008.
British Mathematical Colloquium, University of York, U.K. March 25, 2008 – March 29, 2008.
25th Journees Arithmetiques, Edinburgh, Scotland, July 02, 2007 – July 06, 2007.
School and Conference in Analytic Number Theory, International Centre for Theoretical Physics, Italy, April 22, 2007 – May 11, 2007.
London Diplomatic Science Club - networking event held at Lancaster House, London, December 12, 2006.
National :
"Inter IISER-NISER meet (IINMM) 2022" at IISER Kolkatta, May 31, 2022 – June 2nd, 2022.
"Elliptic curves and the special values of L-functions" at ICTS, Bangalore, Aug 2021.
International Conference on Number Theory at KSOM, Kozhikode, Jan 2020.
International workshop on Number Theory at NISER, Bhubaneswar, Dec. 2018.
Theoretical and computational aspects of BSD conjecture, Workshop, I.C.T.S. Bangalore, December 12, 2016 – December 17, 2016.
A conference celebrating 65th birthday of R. Balasubramanian, I.M.Sc., Chennai, December 14, 2015 – December 18, 2015.
Sage Days 60 in Chennai, I.M.Sc. Chennai, August 14, 2014 – August 17, 2014.
Advanced Training in Mathematics Workshop, Hilbert Modular forms and varieties, Kerala School of Mathematics, Kozhikode, January 21, 2013 – January 31, 2013.