Chauhan: February 2007 Hammir Dev Chauhan Sunday, February 11, 2007 Hammir Dev Chauhan Hammir Dev Chauhan Prithviraj Chauhan's descendant, Hammir Dev Chauhan ruled Ranasthambpur ( Ranthambore ). Ranthambore fort of Hada Chauhan dynasty Jalore was ruled by another branch of Chauhans , the Songaras . Ala ud din Khilji usurped Delhi