Political career of B.R. Ambedkar spans for a long time. In the year 1935, B.R. Ambedkar became the principal of the Government Law College, Mumbai, a position he held for two years. While he was based in Mumbai, Ambedkar looked after the construction of a house and stocked his personal library with more than 50, 000 books. His wife Ramabai also died after a long illness in the very same year. It had actually been her long wish to visit on a pilgrimage to Pandharpur, but Ambedkar had refused to let her go, telling her that he would create a new Pandharpur for her instead of Hinduism`s Pandharpur which treated them as untouchables.
At various meetings and public debates he would discuss the opinion about converting to a different religion and even exhorted his followers to leave Hinduism. In the year 1936, B.R. Ambedkar established the Independent Labour Party that also contested in the year 1937 Mumbai election to the Central Legislative Assembly for the reserved seats. In this very election, Indian National Congress secured one seat unopposed, fought in 8 and won 5. But Ambedkar also claimed victory in all the 15 seats.
Dr B.R. Ambedkar also published books which were greatly accepted by people. His book "The Annihilation of Caste" - a thesis hand written in New York, strongly criticized the orthodox Hindu religious leaders and also the caste system in general. B.R. Ambedkar also served at the Defence Advisory Committee and the Viceroy`s Council as the Minister for Labour.
In his popular work on Shudras, Ambedkar also attempted to explain the formation of Untouchables. He also saw the Shudras, who actually form the lowest caste in the ritual hierarchy of the Hindu caste system, as being separate from Untouchables. Dr B.R. Ambedkar also oversaw the transformation of his political party into the Scheduled Castes Federation, although it performed poorly in the elections held in 1946 for the Constituent Assembly of India. In his next book titled "The Untouchables" he said, "The Hindu Civilisation ... is a diabolical contrivance to suppress and enslave humanity. Its proper name would be infamy. What else can be said of a civilisation which has produced a mass of people ... who are treated as an entity beyond human intercourse and whose mere touch is enough to cause pollution?"