IDFC First Bank’s net profit grew threefold to Rs 1,045 crore in the quarter ended September 2026 from Rs 352 crore a year ago due to strong growth in both loans and fees.Loans, including credit substitutes and FCNR(B)-backed lending, increased 30% year on year to Rs 3.5 lakh crore. Excluding loans secured by FCNR(B) deposits, loan growth was 22%, the bank said.As a result, net interest income (NII) increased 21% to Rs 6,184 crore from Rs 5,113 crore a year ago.Net interest margin (NIM) fell to 5.6% from 5.9% in the quarter ended June 2026, largely due to a 16-basis-point impact from loans given to garner FCNR(B) deposits.(You can now subscribe to our ETMarkets WhatsApp channel)