NFO & options, derivatives, index funds

out of so many nifty aug 900 950 1100 etc choices, how do investors find the right call/put option with high volume ? Do everyone open all the charts?

And whats the difference between options and futures? Are both derivates? Can you explain with example?

What are index funds and which are some of the investment instruments which are not available on zerodha?

All these queries and more have been explained in depth here

It’s a mutual fund which just tracks an index and seeks nothing more than just to mimic the movement of the index.

This means that the portfolio of the mutual fund will in the same wights as the stocks on the index.

Anything specific you are referring to?

Anything specific you are referring to?

I am trying to explore new things