This is a curious discussion.
'Real time data' is what comes from your exchange.
If you have a live data feed, that is it. Globally speaking, 'delayed' data' feeds can be found many places but 'real time' (tick by tick) data usually comes from a broker's site (which mean you need to have an account with them, even if you don't use their trading service).
I think there is one Indian exchange which prov ides free real time data - or at least has done so in recent years.
Now if you are looking for trading advice, that is a different story altogether.