The Nizam’s Guaranteed State Railway was a Railway Company in India between 1879 to 1950 and was owned by the Dominion of Nizam or better known as the Hyderabad State.The full style of the system was His Exalted Highness The Nizam’s Guaranteed State Railway (NGSR) which had its beginnings in a line built privately by the Nizam to the dismay of the British authorities.