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Delay Tolerant Mobile Network is an approach of computer networks which lack of continuous network connectivity due to its intermittent characteristics of network partitioning. The issues of DTMN is how to maintain, update, and stabilize the mobile nodes present and perform better routing of packets without any packet loss. Our paper addresses this issue of DTMN by defining the basic idea of grouping mobile nodes with similar clustering mobility pattern into a clustering group before routing a packet with high end to end and packet delivery ratio. The initial process starts by identifying similar mobility pattern defined with eminent pair-wise contact probabilities with different mobile nodes with FASO-ECP based EWMA algorithm, if a node wants to be a member of a cluster it should have higher contact probability value than the preset threshold value. Every time the contact probability is updated to have better clustering pattern. Thus after the cluster pattern identification, an adaptive method with Cluster selection and gateway formation being carried out to define the route from source to destination. And Hello packets being added to check for node existence status. Finally the Routing of packets will be done through a best possible route to reach the destination with a better packet delivery rate.