CSB Bank, a private sector lender based in Kerala, reported a 6% year-on-year increase in net profit to ₹202 crore for the quarter ending March 2026, compared to ₹190 crore in the same period last year. This growth was primarily driven by a 25% rise in Net Interest Income (NII), which reached ₹464 crore from ₹371 crore in Q4 FY25. Total income for the quarter also saw a significant increase, climbing to ₹1,507 crore from ₹1,362.36 crore a year earlier. The bank's asset quality showed improvement, with the Gross Non-Performing Assets (GNPA) ratio decreasing to 1.66% from 1.57% in March 2025, and the Net NPA ratio falling to 0.40% from 0.52%. CSB Bank noted that Q4 FY26 marked its best quarter for asset quality, with both GNPA and NNPA ratios at their lowest levels for the year. For the full fiscal year FY26, the bank's profit increased by 7% to ₹633 crore, while total income rose by 24% to ₹5,682 crore. Following the announcement, shares of CSB Bank were trading 3% higher at ₹393 on the Bombay Stock Exchange.