This was the first book of Chetan Bhagat that I read and it was quite good.I finished it in two days so that says for itself:).
I loved the way he writes. Language is quite simple that youngsters can easily relate to, the humour is subtle and story line is good that keeps you engrossed.
Somewhere in the middle the story becomes drag but picks later.
Overall you will not regret reading it.
Enjoy the reading:)