house loan repayment is for deduction u/s 80c and 24b.
principal amt is allowed u/s 80c and interest amt is allowable u/s 24b of house property head. in itr 1 after the complition of salary head there is income from house property in shown in negative or amt show in intt on loan.
there is no limit for principal payment which are allowed u/s 80c but for self occupied property maximum interest is allowed 200000 under sec 24b under house property head