The following documents are required to be registered compulsorily under the Indian Registration Act, 1908: (a)Instrument of gift of immovable property; (b)Other non-testamentary instruments which purport or operate to create, declare, assign, limit or extinguish, whether in future or in present, any right, title or interest, whether vested or contingent, of the value of one hundred rupees and upwards to or in immovable property. (c)Non-testamentary instruments which acknowledge the receipt or payment of any consideration on account of creation, declaration, assignment, limitation or extinction of any such right, title or interest; (d)Lease of immovable property from year to year or for any term exceeding one year or reserving a yearly rent. But the State Government may publish an order in official gazette exempting any district or a part of a district or a lease that does not exceed the term of five years and the annual rent of which does not exceed Rs. 50/-. (e)Non-testamentary instruments transferring or assigning any decree or order of a court or any award when such decree or order or award purports or operates to create, declare assign, limit or extinguish, whether in future or in present, any right, title or interest, whether vested or contingent, of the value of one hundred rupees and upwards to or in immovable property. (f)Authorities to adopt a son that is not conferred by a will.