Railway, Shipping and Aviation are the three important mode of transportation. Railway is the most dependable and affordable mode of transportation in our country. It is used for long distance as well as for local transportation. The other, shipping and aviation are also playing a very important role in tour and transportation business. They ar4e playing much more effective role in overseas business. Railway, Shipping & Aviation is the core sector of our economy. The requirements of this sector act as the breathing apparatus for the economy. As it is well known to all, Railway is the biggest purchaser of industrial products in our country. Railway purchases lighting products, bearing products, clutch plates, brake lining products and many more other types of products. Likewise, shipping and aviation sector also play their due role.