After retirement, though there won’t be any monthly income, your day-to-day expenses will persist. And, considering inflation, it will be much more than what it is today if you want to maintain the same lifestyle
NPS gives you the option of picking a pension plan that continues paying the pension amount to your spouse after your death. The pension will continue till they are alive
With NPS, you get an option where the risk is automatically reduced as you get older. In this auto choice of asset allocation, you decide your starting equity-debt mix based on the risk you are willing to take. Then, as you cross, 35, every year, a part of your investments are moved from stocks to FD-like instruments.
This also acts as an advantage for the self-employed who don’t have steady income. They can put money in NPS whenever they have the extra money in hand.