Q. Who wrote "Gita Rahasya"? Answer:
Bal Gangadhar Tilak
Notes: Shrimadh Bhagvad Gita Rahasya, was written in Marathi language by Indian social reformer and independence activist Bal Gangadhar Tilak while he was in prison at Mandalay, Burma. It is the analysis of Karma yoga which could be found in the Bhagavad Gita.