The All India Forward Bloc (abbr. AIFB) is a left-wing nationalist political party in India. It emerged as a faction within the Indian National Congress in 1939, led by Subhas Chandra Bose. The party re-established as an independent political party after the independence of India. It has its main stronghold in West Bengal. The party's current Secretary-General is Debabrata Biswas. Veteran Indian politicians Sarat Chandra Bose (brother of Subhas Chandra Bose) and Chitta Basu had been the stalwarts of the party in independent India.