Half girlfriend is a very great novel book written by chetan bhagat and a great stroy of a Bihari boy and A great Educated Girls love stroy and girl is a Victam of Cancer and firstly he loved with Arjun kapoor and undar faimly praser she married with A boy at the age of 19 and Quit her Education. After her marrige of 3 Years she were Divoced. And again they met at Patna, Bihar.