If you invest 1 lakh for 1 year, you will get an interest rate of 6.9%. Accordingly, after 1 year you will receive a total of Rs. 1,07,081. The interest in this is Rs. 7,081. On an investment of one lakh rupees, the interest rate for 2 years is 7%. After 2 years, you will get Rs. 1,14,888, in which the interest is Rs. 14,888.