Multiple choice All India trade union congress was formed at ______ in 1920? Mumbai Pune Jaipur Selam Reveal answer Fill a bubble to check yourself A Correct answer Explanation The All India Trade Union Congress (AITUC) was formed in 1920 in Mumbai ( then Bombay). It was India first national trade union federation. Pune, Jaipur, and Selam ( likely Salem) are incorrect - the founding happened in Bombay Presidency.