Purna Swaraj
Purna Swaraj, or "total independence," was a document written by the Indian National Congress session at Lahore ,Punjab The Former Capital of the Undivided Punjab   in December 19, 1929.  It said that India should be separate from the British Empire.  Purna Swaraj was announced on January 26, 1930.  This is one reason why January 26 is India's Republic Day.