Rash Behari Bose was involved and played a crucial role in the Ghadar Revolution, which was a plan to attack the British army from the inside. Rash Behari Bose was the founding father of Indian National Army (Azad Hind Fauz) which was later capitalized by Subhash Chandra Bose. The Indian National Army was formed by Indian nationalists in 1942 in Southeast Asia during the World War II, which always aimed for a secure Indian independence from British rule.
He was very much interested in the revolutionary activities starting from his childhood life, and other than the Indian National Army, Jugantar, was also founded by Behari Bose. He convened a conference with Japanese authorities Tokyo on 28–30 March 1942, which decided to establish the Indian Independence League.