SBI has raised interest rates on certain fixed deposits by up to 75 basis points. While deposits maturing in 7-45 days will fetch 3.50% interest rate, the interest rate for deposits maturing in 46-179 days will be 5.50%. Interest rate for deposits maturing in 180-210 days is 6% and for 211 days to less than 1 year tenors is 6.25%.