Registry and mutation are not the same thing
The most common red flag in Haryana property, and the one buyers most often walk straight past.
A registered sale deed proves a transaction happened. Mutation, intkal, proves the revenue record was updated to reflect it. Buyers routinely assume the first automatically produces the second. It does not.
What each one is
Registration is the recording of the transfer with the sub-registrar. It creates the legal instrument. Mutation is the subsequent updating of the revenue and land records to show the new owner as the person liable for property tax and recognised in local records.
Registration is a one-off event. Mutation is an administrative follow-up that somebody has to actually go and do.
Why the gap causes problems
If a property has been registered but never mutated, the revenue record still shows the previous owner. That creates difficulty when you come to sell, when you apply for a loan against the property, when utilities or tax authorities need to identify the owner, and in any dispute where the revenue record is treated as evidence of possession.
The gap can persist through multiple transfers, and each one compounds it. A chain where two or three intermediate mutations were never completed is meaningfully harder to clean up than one.
How to check
Ask for the current jamabandi or record of rights and read whose name appears. Compare it against the sale deed chain. If the names diverge, ask why, and get the answer in writing before you pay anything.
This check costs nothing and takes very little time. It is skipped constantly, usually because the seller says it is a formality that will be handled after the transaction. Sometimes that is true. It is not something to accept on trust.