<P> Harijan Sevak Sangh is a non-profit organisation founded by Mahatma Gandhi in 1932 to eradicate untouchability in India, working for Harijan or Dalit people and upliftment of scheduled castes of India . It is headquartered at Kingsway Camp in Delhi, with branches in 26 states across India . Prof. Sankar Kumar Sanyal is its present president. (1) </P> <P> After the Second Round Table Conference, British government agreed to give Communal Award to the depressed classes on the request of B.R. Ambedkar . Gandhi opposed the government's decision which he considered it would divide the Hindu society and subsequently went on to the indefinite fast in Yerwada Jail . He ended his fast after signed Poona Pact with Ambedkar on 24 September 1932 . On 30 September, Gandhi founded All India Anti Untouchability League, to remove untouchability in the society, which later renamed as Harijan Sevak Sangh ("Servants of Untouchables Society"). At the time industrialist Ghanshyam Das Birla was its founding president with Amritlal Takkar as its Secretary. (2) </P>

Who founded the all india harijan sevak sangh'