What group invaded the indain subcontinent from the black sea area?

Answer 1

It was probably the Aryans, although many historians say it was not an invasion, but a migration of people from southern Russia and central Asia.

http://www.indhistory.com/aryan.html

http://adaniel.tripod.com/aryans.htm

http://encarta.msn.com/encyclopedia_761557562_10/India.html#p157