Question

At which session of congresswas the resolution of purna swaraj adopted

Answer 1

in December 1929 the session of Congress was the resolution of Purna swaraj adopted

Answer 2

in December 1929, under the presidency of Jawaharlal Nehru, the Lahore Congress formalized the demand of Purna Swaraj.
it was declared that 26 January 1930, will be celebrated as the Independence Day when people were to take a pledge to struggle for complete Independence.