Ramavataram, popularly referred to as Kamba Ramayanam, is a Tamil epic that was written by the Tamil poet Kamban during the 12th century. Based on Valmiki's Ramayana (which is in Sanskrit), the story describes the life of King Rama of Ayodhya. However, Ramavatharam is different from the Sanskrit original in many aspects - both in spiritual concepts and in the specifics of the storyline. This historic work is considered by both Tamil scholars and the general public as one of the greatest literary works in Tamil literature.
Kamban wrote this epic with the patronage of Thiruvennai Nallur Sadayappa Vallal, a Pannai kula chieftain (திருவெண்ணை நல்லூர் சடயப்ப வள்ளல்). In gratitude to his patron, Kamban references his name once in every 1,000 verses.
The epic is quite well known, both in the Tamil literary world and in the Hindu spiritual world, for the colorfulness of its poetry and for its religious value.
The book is divided into six chapters, called Kandam (காண்டம்) in Tamil.
The Kandams are further divided into 123 sections called Padalam (படலம்) in Tamil. These 123 sections contain approximately 12,000 verses of the epic.
As with many historic compilations, it was very difficult to discard the interpolations and addendum which have been added over a period of time to the original. This task was taken up a committee of scholars headed by T P Meenakshi Sundaram called the Kamban Kazhagam (Kamban Academy). The compilation published by this committee in 1976 is what is used as the standard today.
Kamban's use of Virutham (Sanskrit: vṛttam) and Santham (Sanskrit: chandas) in various verses is effective in bringing out the emotion and mood for storytelling. He achieves the Virutham and Santham by effective choice of words.