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The widespread usage of location based services (LBS); where obtaining any informational service is entirely based upon the user's current location, have raised a significant concern about location privacy of the user. For the queries like `where is my closest ATM?', `where is my nearest hospital', or any route assistance in general, it is essential to submit the user's actual location to avail the demanded services. Similar communication holds true for a location based vehicular transportation system. Cloaking and ob-fuscation are the two generalized approaches to deal with location privacy preservation in LBS. These approaches are mainly based on a trusted third party (TTP) and exploits the well established K-anonymity principle in order to make the query issuer indistinguishable with other K - 1 more users. In such approaches all the data (mainly location coordinates and queries) becomes available at the central …