Are these exchange traded funds some kind of futures trading? Like are the Nifty ETFs the same as buying a Nifty futures contract?

What are the unique features of the Nifty 50 futures contract traded on the NSE and what are the contract sizes?

What are the unique features of the Bank Nifty Futures contracts traded on the NSE and what are the contract sizes?

What are the unique features of the Nifty IT Index Futures contracts traded on the NSE and what are the contract sizes?

I propose to invest in Gold ETFs (Exchange Traded Funds). What are the basic things I need to know about gold ETFs before investing in the same?

What are the unique features of the Nifty 50 Options contracts traded on the NSE and what are the contract sizes?

What are the unique features of the Bank Nifty Options contracts traded on the NSE and what are the contract sizes?

What are the unique features of the Individual Stock futures contracts traded on the NSE and what are the contract sizes?

What are the unique features of the Nifty IT Index Options contracts traded on the NSE and what are the contract sizes?

What are precise benefits that I can get as an investor from investing in exchange traded funds (ETFs)?

What are some of the major applications of exchange traded funds and how do they fit into the portfolio of the investors?