Planning for retirement income of Rs 50,000 monthly requires different corpus amounts. A Fixed Deposit needs Rs 2.30 crore. Life Annuity requires Rs 2.35 crore. A Systematic Withdrawal Plan (SWP) needs Rs 1.60 crore. The ScientificPay strategy suggests Rs 1 crore. These figures are based on a 40-year horizon, assuming survival to age 100.