The correct answer is: C. North – Western region
Rajasthan is under the North Western Railway zone of the Indian Railways. The North Western Railway zone is one of the 17 railway zones of Indian Railways. It is headquartered in Jaipur, Rajasthan. The zone covers the states of Rajasthan, Gujarat, Haryana, Punjab, and parts of Uttar Pradesh and Madhya Pradesh. It has a total route length of 6,400 km and operates over 1,000 trains daily.
The North Western Railway zone was formed on 1 April 1952, with the merger of the Jaipur Railway Division of the Western Railway and the Jodhpur Railway Division of the Eastern Railway. The zone has six divisions: Jaipur, Jodhpur, Bikaner, Ajmer, Kota, and Hisar.
The North Western Railway zone is one of the busiest railway zones in India. It handles a large volume of freight and passenger traffic. The zone has a number of important railway stations, including Jaipur Junction, Jodhpur Junction, Bikaner Junction, Ajmer Junction, Kota Junction, and Hisar Junction.
The North Western Railway zone is a major contributor to the Indian economy. It provides employment to a large number of people and helps in the movement of goods and people across the country.