The Indian National Army (INA) came into existence in 1943 in

1. The Indian National Army (INA), also known as the Azad Hind Fauj, was formed during World War II to fight for India's independence. 2. While an earlier version existed briefly in 1942, the INA was significantly revived and reorganized under the leadership of Subhas Chandra Bose. 3. Bose took command of the INA in Singapore in July 1943. 4. He established the Provisional Government of Free India (Arzi Hukumat-e-Azad Hind) in Singapore in October 1943, marking the effective re-emergence and operationalization of the INA in that location and year.