21 August 2008
You have to be the owner of the property to claim the deduction.
Registered ownership may not be necessary (1) when a person is allowed to take or retain possession of any building or part thereof in part performance of a contract of the nature referred to in section 53A of the Transfer of Property Act, 1882 (4 of 1882), as he shall be deemed to be the owner of that building or part thereof (2) when a person is considered as owner u/s.27