The correct answer is option 2, 1942. The Azad Hind Fauj, also known as the Indian National Army (INA), was formed in 1942. It was an armed force established by Indian nationalists and led by Subhas Chandra Bose with the aim of liberating India from British colonial rule. The formation of the INA was a significant step in the Indian independence movement. The INA adopted the slogan "Jai Hind" and fought alongside the Japanese forces against the British in the Southeast Asia Theater during World War II. The formation of the Azad Hind Fauj provided a sense of unity and gave hope to many Indians who were striving for independence.