do you realise Buddha,Jaina were part of smae dharmic thought as Hinduism and they were just reformist movements with in hinduism, same goes to Sikh Darma...
yes the barbarian arab desert cult converted millions by sword from hindu and buddha ancestry, but this is not the end , all these lost souls will be claimed back to dharma..
and christian missionaries, better take care of there sheep in western countries, the hindu philosophy and sciences are amking there way big time,