The dude in the horse is Chiranjeevi, the leading leading-man in Telugu movies. Telugu is a language spoken predominantly in the South Indian state of Andhra Pradesh. This reddit thread gives you some more details in typical reddit style – http://www.reddit.com/r/videos/comments/axwx3/most_epic_action_scene_ever_filmed/
Anyone that calls this is a bollywood movie is wrong. The correct term of art is “Tollywood”. Don’t ask. Our film industry is mostly populated by Michael Bays and Uwe Bolls. The trouble is these moviemakers and actors and their fanatic followers take it all too seriously.
If you want to buy movies online, this site – http://www.moviemart.in – is one option.
Note: I don’t have any affiliation with that site. Just searched for “buy indian movies online” and this was like the 2nd site.