About Patiṉeṇ kīḻkkaṇakku - ācārakkōvai
Containing 100 verses and an invocation on Siva, Ācārakkōvai is a collection of the rules of human conduct. These rules govern food and clothing, sleep, cleanliness, decorum, behaviour with elders, eschewing evil habits etc., The author, Kayattūrp Peruvāyiṉ Muḷḷiyār, has written the work in different veṇpā metres.