who is considered as the father of indian constitution
B. R. Ambedkar Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956), popularly known as Babasaheb, was an Indian jurist, economist, politician and social reformer who inspired the Dalit Buddhist movement and campaigned against social discrimination against Untouchables (Dalits), while also supporting the rights of women and labour.[3][4] He was Independent India's first law minister, the principal architect of the Constitution of India and a founding father of the Republic of India.[5][6][7][8][9]
Dadabhai Naoroji Naoroji is also credited with the founding of the Indian National Congress, along with A.O. Hume and Dinshaw Edulji Wacha. His book Poverty and Un-British Rule in India brought attention to the draining of India's wealth into Britain. He was also a member of the Second International along with Kautsky and Plekhanov.