Occupancy Certificate required

Occupancy certificate (OC) is a legal prerequisite for a buyer, before heading for an apartment. Furthermore, having an OC is the license for a buyer to apply for Khata. However, during property registration, occupancy certificate is of no account, which often leads a buyer to formulate the notion that this authorizing document is wide of the point. The OC is taken for the whole builder and not for a single flat. This certificate is generally obtained from the local bodies like City Corporations or City Municipalities

The area of the flat is calculated on the super built up area you have to get the ratio of the built to super built up area from the builder. You can also check the built up area in the floor plan given to you by the builder