The Lahore session of the INC was held in the year 1929. It was an integral session because the party introduced the resolution of Poorna Swaraj, or absolute independence, during this session. What’s more, it was the Lahore session where the nationalists unfurled the tricolor flag for the first time, and Pandit Nehru hoisted it.
Demand of 1929 Sessions of the Congress at Lahore
Significance of Congress Session in 1929