Mobile Ad hoc NETwork (MANET) is a self-coordinated system which is intended through a group of mobile nodes with wireless links deprived of using any consolidated infrastructure. Communication between nodes occurs with the help of different routing protocol. The absence of centralized administration makes it vulnerable to various attacks. Worm hole attack is considered to be serious and lethal attack. In this attack, an attacker records one packet and tunnels them to other location lastly retransmit it into the network.