yes, deduction can be claimed in respect of interest paid on the loan amount taken for the same house property irrespective of loan taken from 1 bank or more. In section 24, if it is self occupied then u can claim upto 2 lakhs. if it is let out then u can claim any amount paid as interest on loan from the NAV of the house property. You can claim s. 80EE deduction also if u dont want to go for section 24 subject to certain conditions. beneficial deduction is of s. 24.