Complex sentence: According to Varadarajan the majority of Hindu deaths were from shootings by the police, some were killed by Hindutva rioters after they had been mistaken for Muslims, with some deliberately killed for having worked with, or having befriended Muslims.
Split into simpler sentences: According to Varadarajan the majority of Hindu deaths were from shootings by the police. Others were deliberately killed for having worked with, or having befriended Muslims.