Who renounced his knighthood on learning the Jallianwala Bagh massacre?

Correct option is A

The correct answer is (a) Rabindranath Tagore.
· Rabindranath Tagore, the renowned poet and Nobel laureate, renounced his knighthood in protest after learning about the Jallianwala Bagh massacre of 1919.
· The massacre, where British troops under General Dyer opened fire on a peaceful crowd in Amritsar, killing hundreds of Indians, deeply disturbed Tagore. He wrote a letter to the Viceroy of India, Lord Chelmsford, condemning the brutality and relinquishing his title of "Sir," which had been conferred upon him by the British in 1915.
Information Booster:
Subhas Chandra Bose:
· Leader of the Indian National Army and prominent figure in India's independence movement but not associated with renouncing a knighthood.
Lala Lajpat Rai:
· Indian nationalist leader, who protested against British rule but did not renounce a knighthood.
Mahatma Gandhi:
· A key leader in the Indian independence movement but not involved in renouncing a knighthood related to the Jallianwala Bagh massacre.