Complex sentence: The Brahmin priest was responsible for religious rituals in temples and homes of Hindus and authorised (after rigorous training in vedas and'sacred' rituals) as a liaison between humans and God.
Split into simpler sentences: The Brahmin priest was responsible for religious rituals in temples and homes of Hindus. They were authorised (after rigorous training in vedas and'sacred' rituals) as liaisons between humans and God.