Updating the revenue or municipal records to show the new owner after a sale, gift or inheritance; called intkal in Punjab and Haryana.
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The papers to ask for, in the order they actually matter.
It is separate from registration. In Punjab, Haryana and Chandigarh, a registered sale deed now usually starts it on its own, so check that the record shows your name, and apply if it does not. Ask the municipality, and any authority that allotted the property, such as GMADA, HSVP or the Chandigarh Housing Board, whether their records need a separate application.