FD interest rates up to 8%: Karnataka Bank has revised its FD rates starting December 2, 2024. Senior citizens are eligible for an additional 0.25% interest rate over and above the general rates. The bank is offering the highest interest of 7.5% on its FD with a tenure of 375 days. Read on to know more about the interest rates offered on FDs of various tenures and the penalty applicable on premature withdrawals.