How futures and options are traded in BSE and NSE?With a simple example?

Hi,
How the futures and options are traded at BSE and NSE? How it’s affecting BSE and NSE indexes? How it affects INR appreciation?

One takes the lot of share with very little margin.If the Price goes upo then you make profits But otherwise you are doomed. In this fall close friends of mine have lost 1 Crore each , so my advise is Do not even think about this