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Environmental affecting wastages such as plastic wrappers, plastic bottles, and some foodstuffs are generated and disposed through the windows by the passengers during the journey. The average person generates 1.95 kilograms of waste per day. This should never let our environment to degrade day-by-day, the society should provide the solution which makes our India a waste-free zone, and this paper gives an extent impact on waste collection and its reduction during train travel, in which the waste collector set-up is planned to fix outside to the train window. In the waste collector, the hinged support collector is extended along the length of compartments on either side of the train, which is planned to make of aluminum alloys. The passenger can use the door mechanism to dispose their waste as in the dustbin, and thereby the wastages are easily collected with the help of screwing mechanism for further action. The outside implementation of the waste collector may chance to affect the aerodynamic performance of the train, so the aerodynamic study on the train with the waste collector is mandatory to ensure the train's dynamic stability. In order to study the aerodynamic performance of the train with waste collector, CFD simulation and experimental testing are carried out. In Computational Fluid Dynamics (CFD), the reference component is modeled with the CATIA and simulations are carried out in the Ansys Workbench 16.2. The 1/45 scaled model of the train with and without waste collector is tested experimentally in a wind tunnel and the results are compared with numerical results. [ABSTRACT FROM AUTHOR]