The Periya Puranam that is the great purana or epic sometimes called Tiruttontarpuranam Tiru Thondar Puranam the Purana of the Holy Devotees) is a Tamil poetic account depicting the legendary lives of the sixty three Nayanars the canonical poets of Tamil Shaivism It was compiled during the 12th century by Sekkizhar It provides evidence of trade with West Asia ThePeriya Puranam is part of the corpus of Shaiva canonical works Sekkizharcompiled and wrote the Periya Puranam or the Great Purana (the life stories of the sixty three Shaiva Nayanars poets of the God Shiva) who composed the liturgical poems of the Tirumurai and was later himself canonised and the work became part of the sacred canon  Among all the hagiographic Puranas inTamil Sekkizhar s Tiruttondar Puranam or Periyapuranam composed during the rule of Kullottonga CholaÂ