'Springing Tiger: A study of a Revolutionary' is a biography work on which person?

 a) Shyamji Krishnavarma
 b) Subhash Chandra Bose
 c) Bhagat Singh
 d) Chandra Shekhar Azad

KPSC Confidential Asst.G2-15

Subhash Chandra Bose.