Department of Mathematics, PDUAM- Behali celebrated National Mathematics Day, 2021 on the occasion of the 134^th Birth anniversary of Srinivasa Ramanujan on 22^nd December 2021. The prime objective of the programme is to popularize the beauty and important of Mathematics among the student. In the program two lecture was delivered by Mr. Himangshu Hazarika (Astt. Prof, Behali degree college) and Dr. Ajoy Dutta (Astt. Prof. PDUAM Behali).