Get a monthly pension of ₹6 lakh and a bonus of ₹2.64 crore with an SIP of just ₹6,000—here is the secret formula..

Mutual Fund SIP-SWP Calculator: Living a lavish life after retirement and receiving a monthly pension of lakhs is not difficult; you simply need to know the right, smart way to invest. While average investors start an SIP with a fixed amount and continue it for years—thereby building a decent corpus—'smart investors' increase their investment amount annually in line with their rising income.

If you start a monthly mutual fund SIP of ₹6,000 at the age of 30—saving just ₹200 a day—you could accumulate a massive corpus of over ₹9 crore by the time you retire. Subsequently, using a specific strategy, you could generate a monthly pension of ₹6 lakh from this very corpus for the rest of your life. Let’s break down the math behind this 'SIP + SWP' calculator.

The Magic of Step-Up SIP: How to Build a ₹9 Crore Corpus

To reach this impressive figure, you need to utilize a 'Step-Up SIP.' This means increasing your SIP contribution annually in proportion to your income growth. According to the SBI Securities mutual fund calculator, the math works as follows:

Initial monthly investment: ₹6,000 per month

Annual step-up: 10% (meaning you increase the SIP amount by 10% each year; for instance, ₹6,000 in the first year becomes ₹6,600 per month in the second year).

Investment tenure: 30 years (assuming you start at age 30 and invest until age 60).

Estimated annual return: 15% (achieving such returns over the long term is feasible with equity mutual funds).

Total maturity corpus after 30 years: Approximately ₹9.01 crore.

In contrast, had you maintained a simple SIP of ₹6,000 without any step-up for 30 years, you would have accumulated only ₹4.20 crore, assuming a 15% return. In other words, by increasing your annual investment by just 10%, you have more than doubled your fund.

Adopt the SWP formula for your pension: Receive ₹6 lakh per month.

Once you have accumulated a corpus of ₹9 crore by the age of 60, you can utilize the Systematic Withdrawal Plan (SWP) to withdraw money from your mutual fund. For senior citizens and retirees, SWP is an excellent source of regular income.

The math behind the SWP calculator

Total investment in SWP: ₹9 crore
Pension tenure: 25 years (from age 60 to 85)
Estimated return on SWP: 7% (based on safe or conservative funds)

Fixed monthly pension: ₹6 lakh per month
Remaining emergency fund: Even after withdrawing a monthly pension of ₹6 lakh, you will still have a separate corpus of ₹2.64 crore remaining at the end of the 25 years. This amount can be utilized for major medical emergencies during your later years.

Why is a pension of ₹6 lakh per month necessary after 30 years?

Many might feel that a monthly pension of ₹6 lakh is excessive, but inflation plays a significant role here. According to financial experts, a monthly expenditure of ₹50,000 is currently sufficient for a lower-middle-class senior citizen.

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If we factor in an annual inflation rate of 8%—accounting for healthcare and education costs—the value of today's ₹50,000 will rise to approximately ₹5 lakh per month in 30 years. When additional medical expenses and miscellaneous costs associated with old age are factored in, a monthly pension of ₹6 lakh is considered ideal for maintaining a dignified lifestyle three decades from now.

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