The British can certainly blamed for stirring up religious hatred. They did not create it, but they did exploit it. Repeatedly.
I support the existence of these laws but it really should be used judiciously. This guy did not do this to fan anti-Christian fervor nor did he do this to provoke a violent reaction from Christians.
You don't favor a First Amendment for India sbane? Enforcing a law "judiciously" sounds like a recipe for enhancing government power, favoritism and abuse. That runs the risk of opening up Pandora's Box, as authorities decide what is PC, and what is not.