I think it is time to call a spade a spade.
I personally hold the opinion that Hinduism has failed humanity and has woefully underachieved as an ideology. 5000 years in existence, and yet no major influence on humanity other than introducing the concept of 'something out of nothing'. (Neo-Hinduism - look it up).
Monotheistic faiths on the other hand professed intelligent causation, which is far more logical than pulling a rabbit out of a hat from nothing. This is why Judaism, Christianity, and Islam, have each in their own right contributed and shaped humanity within half the timeframe.
I think Hindutva is simply jealous of Islam. Just the Islamic riches throughout history alone has forced Hindutva to rewrite their own history. Hindus just could not compete, then you add the insult to injury, carving India into 3 pieces.
I think the partition hurts Hindutva because their motherland or homeland - whatever you want to call it - was carved by Muslims. Much like Hitler blamed the Jews for carving Germany after WW1 (Treaty of Versailles).
Sadly for the Hindutva mob, the past cannot be changed. Modi's India is mirroring 1930s Germany, blates, and it won't be long before a civil war breaks out in India.
It is true, up until 2014, India was on the ascendancy, but now, it is downhill - socially, morally, politically, and of course, economically - which explains which millions of Modi's so called supporters are desperate to flee 'incredible' India.
The funny thing is, these bailing Hindutvas will happily move to the Arab states, and abide by Muslims law. So maybe Islam is not the problem for Hindutva, but just a simple case of victimhood because even after 5000 years, India remains a mess and the first sign of victimhood is blaming others for your failures.