| Form 15 (Encumbrance Certificate ) | Form 16 (Nil Encumbrance Certificate) |
| A certificate issued by the Sub-Registrar’s office that lists all transactions (sales, mortgages, leases, and court orders) on a property for a specific time. It is issued when encumbrances are found during the search period | A property's ‘cleanliness report’ that tells you if the property is debt-free and safe to buy. It is issued when no encumbrances or transactions are on record during the search period. |
| Online Applications Available | Offline Only (Sub-Registrar Office) |
| Andhra Pradesh | Bihar |
| Telangana | Jharkhand |
| Karnataka | North Eastern states (Nagaland, Mizoram, Meghalaya, Arunachal Pradesh) |
| Kerala | Jammu and Kashmir |
| Tamil Nadu | Ladakh |
| Maharashtra | Himachal Pradesh |
| Gujarat | Goa |
| Delhi | Tripura |
| Odisha | Sikkim |
| Form | Meaning | Buyer Note |
| Form 15 | Shows loans, mortgages or legal issues | Investigate the property carefully before buying |
| Form 16 | Confirms that the property is clear | Safest option |
| Document | What it Proves | Issued By | When Needed |
| Encumbrance Certificate | Financial/legal history of property | Sub-registrar | Before buying or selling or while applying for a loan. |
| Occupancy Certificate | Building is safe to occupy as per local building codes, safety, and zoning laws | Municipality | After construction completion |
| Sale Deed | Legal proof of ownership transfer | Sub-registrar | At purchase |
| Property Tax Receipt | Local tax payment proof | Municipality | Regular tax payments |