Answer: 1915
Notes: Rabindranath Tagore was awarded knighthood in 1915, two years after the poet received the Nobel Prize for Literature— which he refused because of the Jallianwala Bagh on 13th April 1919. It was a massacre mass killing of people in Amritsar, Punjab.
📌 Question Number: 23 in West Bengal Society -Awards, Personalities etc. in the above course in App.