The thing is, one has to check the record of the builder/promoter. Marketing agencies will just sell; but no legal responsibility is there for them. And they will not be there once you start paying. Property fairs will be full of marketing agencies [they talk better]. My advice - use them to get information. Then contact the builder directly for the deal. You may get extra discount by bypassing middlemen. So use property fairs to shortlist but never book then n there.
onus is left to the property buyer to ensure that he is not duped and that there is little remedy for the situation decades after India began 'developing fast' is one more pointer to how the saying "A crow cannot become a crane, however much it bathes itself" is so true about the Indian nation's attempt to become a modern civilisation !
This article will help bring huge crowd to the property expo wrt to the current real estate market situation. People will get more options to buy from these kind of events apart from their trustworthy people.
