That's what I mean by Hindustan agenda and identity politics. Create a frame of threat to something that people can cling to as an identity. In (the majority of) India's case, that's Hinduism.
I took a Comparative Politics class in college with this Indian professor, and he would tell us "In India, we have a saying: you don't cast your vote, you vote your caste"
Yes, Roman gods were partying too hard for centuries, so they weren't able to fight back the Germanic ones. Suddenly they woke up christianized, surrounded with popes and vikings.