An optimized power reactive routing based on AODV protocol for Mobile Ad-hoc network Mobile Ad-hoc network is a collection of two or more node equipped with low power device for data transmission. Many Proactive based Power Aware Routing (PAR) protocol was implemented by many researchers. An optimized power reactive routing protocol describes the concepts of cognitive function and AODV protocol. It ensures that data packet is transferred in the shortest path and also in reliable mode. It will improve the data transmission with an energy efficient manner. A novel way of transmission was proposed using a technique called Optimized Power Reactive Routing (OPRR) for more splendid performances. This proposed protocol avoids new route discovery process in AODV with low power consumption and maintain stability of network.