Asked in Property
Since you had already executed and registered the sale agreement, legally he is the owner of the property. Your remedies lies by sending him a legal notice asking him to show whom and when he had paid the remaining balance. In the event he fails to pay the remaining balance, you can file a civil suit for cancellation of the sale agreement.
Dear Sir, File a suit for permanent injunction and prolong the matter.
u also send the legal notice for trespass of property. if they don't reply or vacate then file FIR of criminal trespass.
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