How to Import Nifty, Banknifty (Index) and Nifty, Banknifty (future)

Hi
@Tradehull_Imran
How can I import Nifty, Banknifty (Index) and Nifty, Banknifty (future) data
My strategy want to know that Nifty, Banknifty (Index) and Nifty, Banknifty (future), is positive or negative and what is RSI of that
Please can you guide
Thank you

Kindly post here: