We assume that you have a NPS retirement corpus of Rs 2 crore at the age of 60. You will get 10 per cent growth on your corpus till the age of 75 years. You will withdraw the 60% lump sum amount and will purchase annuity from the rest of the 40 % amount.
If you have a Rs 2 crore corpus and exit from NPS at 60, you can withdraw Rs 1.20 crore, and the annuity amount that you will get will be Rs 80 lakh.
If you defer your annuity by 63, the lump sum corpus will grow to Rs 2,66,20,000. Annuity amount increase from Rs 80 lakh to Rs 1,06,48,000. Since you are continuing your lump sum corpus of Rs 2,66,20,00 till 75, it will grow to Rs 5,01,26,978.
Your retirement corpus will grow to Rs 5,18,74,849.20. The lump sum withdrawal at that time will be Rs 3,11,24,909.52, and the annuity will be Rs 2,07,49,939.68. It means your retirement corpus will increase by 160%.
At that stage, your retirement corpus will grow to Rs 8,35,44,963.39. You can withdraw up to Rs 5,01,26,978.03, while your annuity amount will be Rs 3,34,17,985.36. It means your retirement corpus will increase by 317%.