The correct option is B Attainment of Poorna Swaraj was adopted as the goal of the Congress
The declaration of Purna Swaraj was propagated at the INC on 19th December 1929. In this session, members agreed that the Congress and Indian nationalists should fight for Purna Swaraj, or that they should rule itself entirely independently. The Congress approved a motion for complete Independence and also the President of Congress hoisted the flag of “Complete Freedom on the bank of the Ravi on the midnight of 31 December 1929, in front of huge crowds.