Champa or Champapuri finds mention in the Rajtirangini, chronicle of Kashmir written by Kalhana. This reference indicates that the state of Chamba was in existence at an early period of history.
After Raja Maru nearly 67 Rajas are said to have ruled over Chamba. This is an amazing feature of this state that there was one single dynasty that ruled Chamba for a continuous period of 12
centuries.
In the starting period it was a small territory but in the late 7th century it got its first expansion under Raja Meru Varman in 680A.D.by his conquest. Mandar Varman, Kantar Varma, Pragalbh Varman, (no information available about them but their names only).
Ajay Varman and Suvaran Varman ruled on Chamba till 780 A.D.