recent performance increase in the area of wireless mobile communications, mobile ad-hoc networks are playing a wide spread usage in the areas of military and other applications. But this mobile ad-hoc network does not have any centralized authorities like an access-point or a router as in case of wireless and wired networks to control and take care of routing. Thus routing has become a greater challenge to these types of networks. This paper proposes a new reputation based routing protocol based on DSR (Dynamic Source Routing) and through simulation results proves that the proposed method performs well compared to normal DSR. General Terms Routing protocol for Mobile Ad-hoc Networks. Keywordsrouting protocol, MANETs.