Interest deduction on house property income

Generally, to avail a housing loan you need property to be in the same name. In case of joint ownership, loan is also in the joint name having the same sequence of names.

If you have housing loan in your name, but property is not in your name, you cannot claim the interest deduction imo. The concerning ITR head is called 'Income/loss from house property' and to show anything under this head you need the house property in the name of the person filing IT return.