The largest mathematics lesson for memorizing mathematics tables from 1 to 99 was successfully organized by Brahmakumaris involving 3,245 students (participants) at Om Shanti Retreat Centre, Gurgaon, on December 17, 2012 to mark the 125th anniversary of great mathematician Srinivasa Ramanujan, (dated-December 22, 2012). This lesson was conducted by Aditi Singhal & Sudhir Singhal.
