he could only retreat after he got a word from his brother.    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