Nehru Report called for self-government in India under dominion status of British Empire.  

Since 15 August which is the official Independence Day in 1947 new Indian Constitution took effect on 26 January 1950 marking the 1930 declaration.

Indian National Congress met in Lahore in December 1929.  

Congress dejected this option and asked for Purna Swaraj meaning "Full Independence".

Answer:on this day the Congress party declared it as purna swaraj meaning that they get independence

Explanation: