DHR is a work of genius and technological achievement of 1881. DHR was declared a World Heritage Site by UNESCO in 1999 for being 'an outstanding example of the influence of an innovative transportation system on the social and economic development of a multi-cultural region, which was to serve as a model for similar developments in many parts of the world'. It is only the second railway in the world to have this honour. It has social and cultural importance. It is beautiful and has out-standing universal appeal. As one of the outcomes of the Industrial revolution and based on its unique features, it is considered to be of lasting significance to mankind. It must be saved for posterity.