In which Congress Session, was the demand for 'Purna Swaraj' adopted?

Lahore Session

The correct answer is Option 4- Lahore Session

The demand for 'Purna Swaraj' was adopted in the Lahore Session of the Indian National Congress in December 1929.

The resolution was moved by Jawaharlal Nehru and seconded by Subhas Chandra Bose. It called for the complete independence of India from British rule. The resolution was passed unanimously by the Congress.

The Lahore Session was a significant event in the Indian independence movement. It marked the first time that the Congress had officially adopted the goal of complete independence. The resolution was a major turning point in the movement and helped to galvanize public support for independence.

The Congress also declared that January 26, 1930 would be celebrated as Independence Day. This day is still celebrated as Independence Day in India.