The correct answer is 2 and 3 only. Key Points The parties established by Dr. B. R. Ambedkar were - All India Scheduled Castes Federation and the Independent Labour Party. The Scheduled Castes Federation (SCF) was founded by Dr. Ambedkar in 1942 to fight for the rights of the Dalit community. SCF was the successor organization of the Independent Labour Party led by Ambedkar. The Peasants and Workers Party of India was founded in 1947. The party was founded in Maharashtra by Tulsidas Jadhav, Keshavrao Jedhe, and others. Additional Information Bhimrao Ramji Ambedkar was independent India's first Minister of Law and Justice. He was an Indian jurist, economist, politician, and social reformer, who inspired the Dalit Buddhist movement and campaigned against social discrimination towards the untouchables. He was considered the chief architect of the Constitution of India. He was given Bharat Ratna in 1990. He was born on 14th April 1891 in Mhow, Indore. He was the first Indian to pursue a doctorate in economics abroad. He was passed away on 6th December 1956.