mentioned by  Ptolemy  in the Second century AD as Namade [9]  and the author of the  Periplus . [10] [11]  The  Ramayana , [12]  the  Mahabharat  and  Puranas  refer to it frequently. The Rewa Khand of  Vayu Purana  and the Rewa Khand of  Skanda Purana  are entirely devoted to the story