A corpus of approximately ₹77.7 lakh, generated from a Nifty 50 index fund, can sustain a monthly withdrawal of ₹50,000 (increasing with inflation) throughout a lifetime, assuming a 13% NAV growth and capital gains tax considerations.
"At the age of 45, you have Rs 7.7 million. Okay, and you have 66617 units. Now, to generate this Rs 50,000 every month, you will have to start selling these units. This is the way you will work. ... Meaning, this amount will keep giving you Rs. 50,000 per month throughout your life, increasing with inflation at that point."