Latest Answer: Hi Amol, If it is an under-construction project, documents to check before buying an under construction property are 1) Land record, 2) Land use type, 3) Construction clearances, 4) Building or Lay Out Plan Approvals, 5) Master Plan of the area, 6) No Objection Certificates and other Clearances such as a) NOC from the Fire Department, b) NOC from the State Pollution Control Board, c) Environmental Clearance, and d) NOC from Airport Authority. 7) Booking Form, Allotment Letter, and Builder Buyer Agreement, 8) Completion Certificate if it is completed project, 9) Occupancy Certificate, 10) Sale or Sub-lease Deed Registration, 11) Possession Certificate, and 12) Maintenance Service Agreement.