Me and the folks in the team started discussing origins of religions over coffee, and I made a statement "I'm an accidental Hindu".. it caused a bit of a stir as people tried to figure it out. All I trying to say is, no one belongs to a religion at birth. We just "happen" to be Hindus or Muslims or Jains or Jews.. and ofcourse, there's the question of multi-religious parents.. what happens then?
Here's an interesting page:
http://www.associatedcontent.com/article/30953/questions_and_answers_about_raising.html