Earnings CSB Bank Q1 results: Firm posts highest-ever quarterly profit of Rs 54 crore; Stock jumps 12% Updated : August 19, 2020 03:50 PM IST Net interest income during the quarter rose 40 percent to Rs 185.3 crore from Rs 132.4 crore. Net Interest Margin (NIM) improved to 4.06 percent from 3.45 percent, YoY. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.