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Mobile Ad-hoc Network is nothing but a collection of hosts which are mobile and can configure, organize and maintain themselves according to the network. It is an independent network where the nodes are connected to other nodes through wireless links. The nodes are mobile in nature and don’t need any organization, configuration, and administration. As the network topology frequently changes due to the mobility of nodes, routing in such network becomes extremely difficult. Routing solves various concerns related to network like its dynamic topology, bandwidth, overhead, delay, traffic etc. Hence based on the above issues, a comparative study has been done between the reactive, proactive and hybrid protocols on the basis of their pros and cons, to evaluate the performance of all 6 protocols (DSDV, OLSR, AODV, DSR, ZRP and FSR). So that it would be easy to choose an efficient routing protocol based on network complexity.