The Department of Mathematics in association with IQAC celebrated Tau Day on June 28th, 2021 at 10:30 AM over Google Meet. The event was organized to celebrate the mathematical constant Tau, which is equal to 2π, and to promote awareness and interest in mathematics among the participants. During the event, one of the faculty Abdul Basheer U(Asst.Professor) delivered talk on the significance of Tau in mathematics and its applications in various fields. The talk was followed by a Q&A session where participants had the opportunity to ask questions and clarify their doubts. The event was well attended by students, faculty members, and mathematics enthusiasts from different parts of the world. Overall, the Tau Day celebration was a successful event that helped to promote interest and awareness in mathematics.