To celebrate National Mathematics day  and to  honour the legacy of the great Mathematician Srinivasan Ramanujan, Department of Mathematics, SRM Institute of Science and Technology, Ramapuram campus organized a 5 days programme from 22nd to 26th December 2020. As part of the celebration,  invited talks by guest speakers in the field of  Number Theory and its applications and also highlighting Ramanujan’s contributions to Mathematics and his  continuing influence and impact on the growth and development of Mathematics were organized.