Ad hoc networks are self-configuring networks and e
ach node executes routing functionalities by itself
;
they are powered by battery, which is prone to decr
ease with time. In this paper, a power aware routin
g
algorithm called Dynamic path switching is proposed
which attempt to extend the lifetime of network in
MANET. It creates a new path based on the energy le
vel of the nodes. Along with DPS the Transmission
power control technique is incorporated which varie
s the transmission power based on the distance. It
reduces power consumption further. The proposed tec
hniques are incorporated in Zone Routing Protocol
(ZRP) and simulated by using NS-2 simulator to obta
in the QOS parameters