General Awareness (GA) Indian history Class 12th
Ans → (b)Lala Lajpat Rai
Explanation → All India Trade Union Congress was founded on 31st October 1920 at Bombay, Bombay Presidency, British India. Lala Lajpat Rai was the first President and V.M.Pawar was the first General Secretary of this union.
This question is taken from this post → Indian National Movement | Practice test #1 | GK Quiz - attemp/practice