housing loan interest

according to the act:

ASSESSEE must be the:

the person who owns the building need not also be the owner of the land upon which it stands.

SO,

he pays tax under the head income from house property

AS he pays the tax on his income

he can claim deduction also like repairs ,,

is the interest deduction is also allowed to him

if it is allowed wHat type of documents are to be submitted to the department

can anyone answer me with an example

thanks in advance