Indian television channels said a little-known Islamist group calling itself the "Indian Mujahedeen" had claimed responsibility for the attacks.
Following WWII when the British Empire was unravelling, Pakistan, as a Muslim state, flaked off from India, but there were still considerable numbers of Muslims left in India and the majority Hindus have been known to thrum on them. Read the rest of the story here. India has enough problems with the many languages and castes without the added stress of religious diversity. Remember the adage: In Asia all life is sacred ... except human life. English is the great unifier for the educated in India; we might think about trying that.