People facing difficulty in walking due to injury or disability uses  Wheelchairs  and it is a wheeled mobility appliance propelled either by hand or using various automatic or electric systems. There are different types of wheelchairs in the market and in manual type itself, there are three various varieties like self propelled, helper propelled and wheelbase. Another type and the most sought after wheelchair is electric powered wheelchair invented by Mr. George Klein to help the injured veterans during Second World War. Today we can see many models of wheelchairs in the market manufactured by well known companies and to buy one from the market is very easy.