For his M. A. , degree he wrote a research paper Commerce in India. He wrote many other research essays while staying at Colombia. For the latter research paper he was awarded Ph. D. , by the Colombia University. With this he became Dr. Ambedkar. He went to England to study law , where he also studied Economics and political Science. He acquired the degree of Barrister at law and also M. Sc. degree simultaneously. In 1918, he took up a job as a professor in a college and in 1920 he took part in the first meet of the Depressed Classes held at Nagpur. He started a paper Bahishkrita hitakarini in 1924.
He took up the cause of the Depressed Classes before the Simon Comission which visited India in 1928. He attended the First Round Table Conference held at London and argued that the Depressed Classes should have voting rights and the tight to elect their own leaders. Dr. Ambedkar had a sharp mind. He said that all men are equal in all matters. He was the first Law Minister of India after we got Independence in 1947. He also was the chairman of the drafting committee of our constitution and he is also the main architect of our Constitution. On November 1, 1949 the Draft Constitution was approved by the Government and Dr. B. R. Ambedkar was from then called the Modern Manu of India.
He is regarded as a Bodhisattva by some Indian Buddhists, though he never claimed himself to be a Bodhisattva. While practicing law in the Bombay High Court, he tried to uplift the untouchables in order to educate them. His first organized attempt to achieve this was the Bahishkrit Hitakarini Sabha, which was intended to promote education and socio-economic improvement, as well as the welfare of outcastes, at the time referred to as depressed classes For the protection of Dalit rights he started many periodicals like Mook Nayak, Bahishkrit Bharat, and Equality Janta.