The correct answer is Lahore session, 1929. The Indian National Congress, on 19 December 1929, passed the historic 'Purna Swaraj' (total independence) resolution ‚¬€œ at its Lahore session. A public declaration was made on 26 January 1930 ‚¬€œ a day which the Congress Party urged Indians to celebrate as 'Independence Day. Jawaharlal Nehru was elected as President of the Indian National Congress in December 1929 at its annual session in the city of Lahore. In 1929, Lord Irwin, the then Viceroy of India, made a vaguely announced ‚¬€œ referred to as the Irwin Declaration - that India would be granted dominion status in the future. Important PointsThe Indian National Congress (INC) was formed by Allan Octavian Hume in 1885. The first session of INC was held in Bombay from 28‚¬€œ31 December 1885 under the chairmanship of W. C. Bannerjee. Sessions of Indian National CongressYearPlacePresident and fact1885, 1882Bombay, AllahabadWomen Chandra Bannerjee1886CalcuttaDadabhai Naoroji was the president. National Congress and National Conference. 1894MadrasAlfred Webb1896CalcuttaRahimtullah M. Sayani was the president. The national song ‚¬ËœVande Mataram‚¬„¢ was sung for the first time. 1906CalcuttaDadabhai Naoroji was the president. The word ‚¬ËœSwaraj‚¬„¢ was mentioned for the first time. 1916LucknowA. C Majumdar (Re-union of the Congress)1917CalcuttaAnnie Besant was the first woman president of the INC. 1919AmritsarMotilal Nehru1922GayaC R Das1939TripuraS. C. Bose was re-elected but had to resign due to protests by Gandhiji (as Gandhiji supported Dr. Pattabhi Sitaramayya). Rajendra Prasad was appointed in his place. 1948JaipurDr. Pattabhi Sitaramayya (Last session)