Your total investment will be Rs 1.58 crore. With a 10% annual interest rate, the return will be Rs 3.46 crore. After 20 years, your pension fund will be Rs 5.05 crore. If you invest Rs 20,000 monthly, with a Rs 30,000 match, you can withdraw 60%. You can withdraw approximately Rs 3.03 crore, keeping the remaining 40%. The remaining Rs 2.02 crore will earn 6% annual interest, resulting in a Rs 1 lakh monthly pension.