In February 1873, at age 11, Tagore went on a tour of India with his father. The tour lasted for several months. They visited many places like Amritsar in Punjab (British India), and Dalhousie in the Himalayas. Tagore also visited his father's estate at Shantiniketan. There he read biographies and studied history, astronomy, modern science, and Sanskrit. He also read works of Kalidas.