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Proliferation of wireless technology and increasing demand of data result in traffic congestion. Congestion due to wireless Internet is increasing at an exponential rate and 50% of this traffic is due to video. However, as popularity of files in Internet follows power law and people with similar interest meet/interact more frequently, there is a good probability that many users in proximity would like to download similar files. In this paper we exploit this probability and propose a scheme for collaborative download where a number of users in proximity collaborate with each other for downloading a set of files. We have also developed a prototype in android platform, with basic features of collaborative download.