In June 2004, as a young student at what was then NITIE Mumbai (now IIM Mumbai), I stood on the streets of Mumbai with simple educational toys in my hand, a modest sales target, and a very unconventional assignment from one unconventional professor: Dr. T. Prasad, fondly known today as “Mandi Sir” was debuting the very first edition of Mandi. What looked like a freak, even frivolous, street‑selling exercise that day has since grown into a nationwide movement in entrepreneurial, Gandhian, hands‑on learning - the Mandi and Maha Mandi pedagogy. Two decades later, as Dr. T. Prasad retires from IIM Mumbai, it feels the right moment to pause, reflect, and celebrate the revolution he quietly sparked and the thousands of students and entrepreneurs he has shaped along the way. From tailor to “Mandi Sir” Dr. Prasad’s own journey adds extraordinary moral weight to his message. In various talks and interviews, he has openly shared how he funded his own education by doing tailoring work on we...