Option d is the correct answer. Sittar poetry of Tayaumanavar was famous because the writings were protests against the caste system and temple rule. He criticized the Brahminical orthodoxy and advocated for social equality and justice. Important Tips Tayaumanavar: Tayaumanavar was born in 1705 in a Brahmin family in Tiruchirappalli, Tamil Nadu. His original name was Velayudham Pillai. He was well-versed in Tamil and Sanskrit languages and scriptures, and became a minister to the king of Tiruchirappalli. He was also a scholar of music and astrology. He was initiated into the Saiva Siddhanta tradition by his guru Sivaprakasa Swamigal, who gave him the name Tayaumanavar, meaning "one who became the mother".