International Day of Mathematics (Pi-Day) was organised by Dept of Mathematics in collaboration with IQAC, Arya Vidyapeeth College on 14th March, 2023. Prof. Rupam Barman, Professor of Mathematics, IIT Guwahati delivered the talk on the topic ‘Primes in Number Theory’. The inaugural speech was delivered by Prof.B.C. Kalita, Retd. Professor of Gauhati University.