The Sunga Dynasty ruled in India from 185-75 BC after the fall of the Mauryan Empire. Pushyamitra Sunga, a Brahmin army chief, killed the last Mauryan king Brihadratha and established himself as the first ruler of the Sunga Dynasty. Pushyamitra successfully countered attacks from Greek kings and the Kalinga king. He followed Brahmanism and performed Vedic sacrifices. The Sunga Dynasty revived Hinduism and the caste system in India during their rule from 185-75 BC.