Explanation:

• The founding conference or the first session of AITUC began on October 31st 1920, in Empire Theatre Bombay with Lala Lajpat Rai as the founding President.
• Other leaders who participated were –  Netaji Subhash Chandra Bose, V. V. Giri, Sarojini Naidu, C.R. Das, Jawarharlal Nehru, Mohammad Ali Jinnah, Annie Besant, V.J. Patel, B.P. Wadia, Joseph Baptista, Lalubhai Samaldas, Jamnadas, Dwarka Das, B W Wadia, R R Karandikar, Col. J.C. Wedgwood.
• Besides, there were active communist leaders like Dhundiraj Thengdi,Shripat Amrit Dange, S.S.Mirajkar, K.N.Joglekar, S.V.Ghate, R.S.Nirtbakar,Phillip Spratt