REGISTRATION ACT, 1908
PART V : OF THE PLACE OF REGISTRATION
31. Registration or acceptance for deposit at private residence
In ordinary cases the registration or deposit of documents under this Act shall be made only at the office of the officer authorised to accept the same for registration or deposit:
PROVIDED that such officer may on special cause being shown attend at the residence of any person desiring to present a document for registration or to deposit a will, and accept for registration or deposit such document or will.
https://dolr.nic.in/Acts&Rules/RegistrationAct%281908%29.htm