JME_V3_N2_RP1 Vinay Aggarwal Dheeraj Gupta Journal on Mechanical Engineering 2249 - 0744 3 2 1 9 MZV, Wheel Chair, Sprocket Wheel, Stairs The versatile ability of MZV(MULTI ZONE VEHICLE) to run at any place for specific requirements makes this MZV more creditable in a variety of applications such as stairs-climbing, snow-filled areas, on-road, off-road etc. resulting in reduction of human effort, stress and load of working. Its efficient mechanism provides its ease to perform several functions with optimum results. Multi-Zone Vehicle-999 has been designed especially for handicapped people to reduce their efforts of working. This Paper deals with how efficiently Multi-Zone Vehicle-999 can climb the stairs along with its versatile functionality. February - April 2013 Copyright © 2013 i-manager publications. All rights reserved. i-manager Publications http://www.imanagerpublications.com/Article.aspx?ArticleId=2208