This sastra was composed by Uyyavantha Deva Nayanar of Thiruviyalur (near Thiruvidaimaruthur) about the middle of the 12th century. It is a small work …
Umapathi Sivam after composing Sivapragasam; wrote Thiruvarutpayan to give a better understanding to Sivapragasam. Scholars used to comment that while …