The child poet, Tirugnana Sambandar was involved in converting many people from Buddhism and Jainism to Hinduism. The saint Appar was involved in Uzhavatru padai, a cleaning and remodification initiative of dilapidated Shiva temples. The Azhwars, the 12 vaishnavite saint poets of 7th-9th century composed the Divya Prabandha, a literary work praising god Vishnu in 4000 verses.