India celebrates Constitution Day. The day honors the experts who shaped India's Constitution. Dr. B.R. Ambedkar led the drafting committee. Members like T.T. Krishnamachari and Alladi Krishnaswami Ayyar contributed. K.M. Munshi offered cultural insights. N. Gopalaswami Ayyangar focused on administration. Others like Saadulla, Khaitan, Rao, and Mitter also played key roles. They ensured India became a democratic republic.