This author wrote a play 
This author wrote a play in which the invalid Amal dreams of receiving a letter from the king. One of this author's plays sees the revolutionary Sandip stay in the home of Nikhil and Bimala, while another play by this author of The Post Office tells of a revolution against a gold-obsessed king led by Nandini. This author of Red Oleanders and The Home and the World composed Jana Gana Mana, the Indian national anthem, and William Butler Yeats wrote the introduction to his most famous poetry collection. The author of Gitanjali, For 10 points, name this Bengali poet.
This author wrote a play in which the invalid Amal dreams of receiving a letter from the king.
Rabindranath Tagore