In equities, we have various ETFs and index funds based on:
Diversified indices like Nifty 50, Nifty Next 50, Nifty 100, Nifty Midcap 150, Nifty Smallcap 250, Nifty Microcap 250, Nifty 500, etc.
Sectoral/thematic indices like Bank Nifty, Nifty IT, Nifty India Defence, Nifty PSE, etc.
Smart beta indices like Nifty 200 Momentum 30, Nifty 50 Value 20, Nifty 100 Low Volatility 30, etc.
ETFs based on gold, silver, etc. Fund of Funds (FoFs) based on these ETFs
ETFs and index funds based on various debt indices, etc.