On the occasion of Pi-Day i.e. on 14th March, 2022 PCER Chembur organized a session on the origin, evolution and importance of the magic ratio the pi. Mr. Gyanendrapratap Singh the IGCSE Co-ordinator and Head, Department of Mathematics of Dr. Pillai Global Academy, New Panvel conducted an engaging session highlighting the past of pi and contribution of Indian and Foreign Mathematicians. The interactive session helped the student-teachers to understand the evolution of the concept of pi.