October 15, 1932 Tata Airlines inaugural service operated on Karachi-Ahmedabad-Bombay route on a de Havilland Puss Moth aircraft flown by JRD Tata
January 1, 1946 Civil aviation in India is restored to commercial status post World War II
August 1946 Tata Airlines converted into a public company, renamed Air-India
August 1947 India gains independence from the British rule
March 8, 1948 Air-India International formally incorporated with 49% capital participation from the Government of India.
March 1953 Parliament passes Air Corporations Act amalgamating all scheduled airlines into 2 corporations: Indian Airlines and Air-India International. With this, government owns majority stake in the two airlines