how many railway zones are there in india
Zones and divisions of Indian Railways The 18 zones and the 68 divisions are listed below:[2][3]
List of rail tunnels in India by length Most of the tunnels listed below are located in the Western Ghats, the only mountain range in the country that has good railway connectivity. There are longer tunnels that are under construction in the Himalayas in Jammu & Kashmir, as part of the JUSBRL Project.Pir Panjal Railway Tunnel, the 11.2 km long railway tunnel, passes through the Pir Panjal Range of middle Himalayas in Jammu and Kashmir. It is a part of its Udhampur - Srinagar - Baramulla rail link project, India's longest railway tunnel and reduced the distance between Quazigund and Banihal .[1]