India vix and volatility

Is India vix and volatility both are same …If not what is the difference between them…

No, they are not the same.

Volatility measures the riskiness of a stock or an Index.

India ViX specifically measures the volatility of Nifty. You can use those values to get a sense of the general volatility of the market.

Check this for more details on Volatility - http://zerodha.com/varsity/chapter/understanding-volatility-part-1/

Then what is implied volatility…

which are the best indicators for India VIX ?

India vix is for nifty options . is there any vix for banknifty options ?