@COOPER HDFC Defence NFO starts on 19th May and ends on 2nd June. This is a sector based fund and has its own risk, however, based on the current trend on India;s spend on defence sector and Make in India policy, this should be a good investment for medium term strategy.
One thing to note in NFO, unlike IPO this one does not have any benefits, you can very well buy once it hits the market on the current NAV price which will be almost the same as issue price at least for a few days as NAV moves up/down.
You can buy on NFO thru your broker or groww, kuvera, coin (Zerodha) for direct funds.