A mobile ad hoc network (MANET) is a continuously self configuring , infrastructureless network of mobile devices connected without wires, forming a temporaray network. This feature leads to frequent path failures and route reconstructions that causes increase in the routing control overhead. Broadcasting is an effective data dessimination mechanism for route discovery but also causes broadcast storm problem, which is characterised by redundant retransmission, collision and contention. In this paper, we described a robust method for reducing routing overhead using high signal strength with suitable scenarios. And also we suggest a method to reduce the routing overhead such that to improve the Quality of service (QOS) routing in MANETs.