Section 49 OF REGISTRATION ACT, 1908
Effects of non-registration of documents required to be registered
No document required by section 17 1 [or by any provision of the Transfer of Property Act, 1882 (4 of 1882),] to be registered shall
(a) affect any immovable property comprised therein, or
(b) confer any power to adopt, or
(c) be received as evidence of any transaction affecting such property or conferring such power, unless it has been registered.