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In recent years, Caching technique (pull-based) in Mobile Ad hoc networks (MANETs) has become a promising technique in solving or mitigating the problems of performance, availability, scalability and resource paucity. MANETs consists of mobile nodes which communicate with each other through wireless medium without any fixed infrastructure. Mobile nodes may change rapidly and unpredictably over time. Accessing services and data over the network can be very slow and hence, the caching frequently accessed data is an effective technique for improving performance. It is used to minimize a repetitive querying of nearly stagnant data. The data can be queried once and stored in a cache, and the mobile node repeatedly accesses the cache for the data, or perhaps the cache is updated to get fresh data. There are a lot of research works going on to solve the problems of How to reduce client mobile side latency, How to maintain cache consistency between various caches and the servers and how to enable cooperation between multiple peer caches etc. In This paper presents a model to predict the data in cache operation on the mobile side by applying fuzzy logic method in order to prevent the transaction failures during execution in the mobile system that communicating across the wireless networks.