Basics Authors Kuṇacākarar Year (Gregorian calendar) c. 985 Alternative names Virutti on Yāpparuṅkalakkārikai Disciplines Chandas Languages Tamil Works Works mentioned in this work Guṇagāṅkīyaṃ This work is a commentary on Yāpparuṅkalakkārikai Scholarship and Resources Editions Niklas 1993 Visualization + − Manuscript Institution Work Site Extract Collection Person Print