The Brainliest Answer!
This is the 3rd novel by chetan was published in may basically has a story of 3 frnds from Ahmedabad. it was said this book was sold in no. of 420,000 and yeah so it is that iss book pr based ek movie bani h that is kai po che
2 5 2
it will come when some one else answers or when 5 days pass and no one answers
tab click kr sakti ho?
but that's not summary of the book
Ohhk will surely do it :) 
thnx 4 nibhying ur promise