Siva Prakasar (also Ṣiva Prakāṣa or sometimes Ṣiva-prakāṣa Dēṣikar), was a Tamil ( துறைமங்கலம் சிவப்பிரகாசர், கற்பனைக்களஞ்சியம் ) poet and philosopher lived during the late 17th and early 18th centuries. He was called 'Thurai mangalam Sivaprakasar' , 'Karpanai Kalangiyam' , 'Sivanuputhi chelvar'. He had contributed more than Thirty four Thamizh books for the Thamizh Literature, the most well known of which is the Nanneri, a work dealing with moral instruction. He is also well known for translating early Kannada works into the Tamil language. and for creating his own poetry.
Siva prakasar, the real poet who was blessed as 'Sivanuputhichelvar' by the grace of God. He is acclaimed as 'Karpanai Kalangiyam' by renowned scholars of Tamil – speaking world. He compiled " Neerotta Yamaha Anthathi " to defeat an arrogant Poet. Those Venpa verses will not make both lips to touch. And also written " Yesu matha niragaranam " (The Refuting the Religion of Jesus).
Sivaprakasar was born in a town called Kanchipuram in Thondaimandalam in Tamil Nadu, South India into an orthodox Saiva Tamil (Desikar) family around the middle of the 17th Century. Sivaprakasar's father was a respected spiritual leader. His father Kumara swamy Desikar was the archaka and Dikshithar for the People of Thondai mandalam. His father left his family and gone to Thiruvannamalai with his disciples. There he planned to become a Sage. But it failed. God made him to get married. Kumara Swamy Desikar got three sons and a daughter. Siva prakasar was the first child. And his siblings were Karunai prakasar, Velaiyar and Gnambikai ammal.
His sister Gnambikai married Perur Santhalinga swamigal. After sometime, Perur Santhalinga Swamigal became Tabasi and sent away Gnambikai to her brother. There were no children for them.
Karunai prakasar married Kamathci . And he wrote more than five books in Tamil. Seegalathi sarukkam, Ishtalinga Agaval. He demised at the age of Eighteen at Thiruvengai. So, There were no children for Karunai prakasar.