India is itself a secular state, if its citizens wish to be religious then the State allows them too.
In India, muslims aren't proselytizing non muslims, but there is a gradual shift from moderate Islam to radical Islam; in other words deobandis/salafis/wahabbis/tablighis are proselytizing barelvis. Maybe some muslim member can chime in here.
Christian missionaries should be stopped, and I believe some kind of legislation has also come about. Its a case of mass demographic change, and has the potential of rupturing delicate social balances.
@Iamanidiot can chime in here.
Hindu right wing, wants to be more assertive, mainly in response to "votebank politics"and radicalisation amongst other minorities.