Question

where the Indian Congress session was held in Sept 1920
place where Congress session held in 1927

Answer 1

calcutta is the place where indian national congress session was held in Sept 1920.a nd madras is the place where congress session held in 1927

Answer 2

Indian National Congress Session : Calcutta (Sep. 1920), Nagpur (Dec. 1920), Madras (1927) and Lahore (1929).

Hope this will help you!!!