5 per cent VAT was leviable on flats purchased between June 20, 2006 and March 31, 2010
2) s per ruling of Supreme Court, the sale of under construction flat / property is liable to pay VAT.
3)VAT & Service tax should be specifically mentioned in the sale agreement and which party will bear this cost. in your case it is specifically mentioned that purchaser shall bear additional taxes/ levies
4) you are entitled to demand basis of computation of demand made by builder