Complex sentence: At the time of Sikh Gurus many Indian faiths were at loggerheads against the belief of each other it mainly involved two major faiths of that time in sub continent namely Hinduism and Islam.
Split into simpler sentences: At the time of the Sikh Gurus many Indian faiths were at loggerheads against the belief of each other. It mainly involved two major faiths of that time in the subcontinent, namely Hinduism and Islam.