through which mountain range passes the konkan rail
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]
Khyber Pass The Khyber Pass (Pashto: د خیبر درہ‎, Urdu: درۂ خیبر‎) (elevation: 1,070 m or 3,510 ft) is a mountain pass connecting the town of Landi Kotal, near the Afghanistan and Pakistan border, to the Valley of Peshawar by traversing part of the Spin Ghar mountains. An integral part of the ancient Silk Road, it has long had substantial cultural, economic, and geopolitical significance. Throughout history it has been an important trade route between Central Asia and the Indian Subcontinent and a strategic military location. The summit of the pass is 5 km (3.1 mi) inside Pakistan at Landi Kotal. The Khyber Pass is part of the Asian Highway 1 (AH1).