Owing to limited transmission range of mobile devices, the information between two nodes in a Mobile Ad-hoc Network (MANET) is transmitted using multi-hop communication network. Multi-hop routing along with the support of node mobility make data transfer in Ad-hoc network extremely dynamic. Conventional routing protocols for wireless networks do not perform well for MANET and thus call for a completely different kind of routing protocols. Numerous routing protocols have been proposed, nevertheless, there is a scope for attaining high throughput with less routing overhead and energy consumption. In this paper, we propose a novel approach Zone-Based Optimal Selective Forwarding (ZBOSF). In said approach, we initially identify the location of each node followed by parting the whole network into six zones. If the source and destination nodes belong to the same zone, Location-Aided Routing Protocol (LAR-2) is utilized to route the data, on the other hand, transmission is done through a Base station, if otherwise. ZBOSF lessens the area of discovering a new route to smaller zones thereby brings down the energy consumption of mobile nodes and also reduces flooding of data packets.

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