Actress Amrita Puri, who will be seen in "Kai Po Che", a big screen adaptation of "3 Mistakes of My Life", says after reading the book she understood why Chetan Bhagat is so famous.

"The only Chetan Bhagat novel I have read is '3 Mistakes of My Life' and that is because of the film. I loved it and it is only after reading it I came to know why is he so popular, " Amrita told.

Directed by "Rock On!" director Abhishek Kapoor, the film also features TV actors Sushant Singh Rajput and Amit Sadh along with Rajkumar Yadav.

The film portrays the journey of three friends as they discover cricket, religion and business in their respective fields.

The 28-year-old, who played a bhenji-turned-modern girl in her debut film "Aisha", plays a vivacious character in "Kai Po..."