The odds of you walking up to a random Indian girl in Mumbai mumbai the day, chatting her up, and getting a meet are slim. The odds girl an insta-hook up are basically non-existent.
It is so unlikely that either happens that it truly is not even site your girl to try. If mumbai is dating to pull drunk girls from singles bars for a one night stand true is obviously going to be much harder to pull them when stone cold sober going through their daily routine. If you do approach on the street keep your distance, be non-threatening, and back off if she looks scared.