Kochi: Kerala-based private bank Federal Bank Ltd on Friday reported a 12% decline in profit to Rs101.07 crore for the quarter ended 30 September from Rs114.28 crore during the same period last year. Though total income for the quarter rose to Rs1,037.5 crore from Rs932.31 crore, net interest income was down to Rs329.95 crore against Rs331.78 crore in the year-ago period. The net interest margin, or the spread between the yields on loans and cost of funds, was 3.7%, up from 3.31 %. Net non-performing assets increased to 0.54% against 0.4%.