Correct option is A
The Indian National Congress (INC) observed 26th January as Independence Day for the first time in 1930.
- The Lahore Session of the Indian National Congress in 1929, led by Jawaharlal Nehru, was pivotal in declaring complete independence (Purna Swaraj) as the goal, with 26th January set as the day to strive for that.
- After India's independence in 1947, 26th January was adopted as Republic Day in 1950, marking the day when the Constitution of India came into effect.
1915: Mahatma Gandhi returned to India from South Africa in 1915 to lead the struggle for India's independence, marking a significant turning point in India's freedom movement.
1929: Subhas Chandra Bose became the president of the Indian National Congress and initiated significant efforts to push for full independence from Britain.