Check for proper conveyance of Title in favour of the builder.
Check the license/development right/approvals of the builder.
Check clear and marketable title of the project.
Ensure execution of proper Allotment Letter/Sale Agreements on your payments.
Ensure whether reputed financial companies approve the project. This will help you in getting financial loans.
Check the tentative layout/building plan and verify the built up area of the apartment. It is advisable to check the carpet area of the apartment and find out if the difference between built-up area and carpet area is reasonable.
Ask for Occupation/Completion Certificate.
Ensure the Conveyance Deed is registered after the entire payment has been made.
Deed of Conveyance, Mutation Certificate (for completed property), Land Registration Status, Sanction Plan, Search Report and Payment Schedule (for under construction property
It is advisable to check and go through all the documents relating to the origin of the property, chain of Title, Occupancy Certificate, sanctions from various authorities dealing with building plans, fire safety and Completion Certificate.
For re-sale property, check demand notice relating to renovation, tax dues and latest receipts of payments made towards various out-goings such as water, electricity and ground rent.