“3 Idiots” adapted from the novel Five Point Someone-What not to do at IIT by Chetan Bhagat.
“Hello” based on the book One night @ The Call Center by Chetan Bhagat.
“Kai Po Che” based on the book The 3 Mistakes of My Life by Chetan Bhagat..
The movie is based on the book 2 states by Chetan Bhagat.
The movie is based on the book Half Girlfriend by Chetan Bhagat