17. In which session of India National Congress the tricolour flag was unfurled for the first time? A.Calcutta Session, 1920 B.Annual Session of Congress at Nagpur, 1920 C.Lahore Congress, 1929 D.Haripura congress conference, 1938
Option C Solution: At Lahore congress session, 1929 Indian National Congress unfurled flag first time.
