Kalka railway station
Kalka Railway Station, at Kalka in Haryana state of India, is the northern terminus of the Delhi–Kalka line and the starting point of the UNESCO World Heritage Site Kalka–Shimla Railway. It serves passengers moving on to Delhi & Shimla. The railway station
Kalka railway station is located at an altitude of  above mean sea level. It was allotted the railway code of KLK under the jurisdiction of Ambala railway division. History
The Delhi–Panipat–Ambala–Kalka line was opened in 1891. The -wide narrow-gauge Kalka–Shimla Railway was constructed by Delhi–Panipat–Ambala–Kalka Railway Company and opened for traffic in 1903. In 1905 the line was regauged to -wide narrow gauge. Electrification
Chandigarh–Kalka sector was electrified in 1999–2000. Loco sheds

Kalka has a narrow gauge diesel shed for the maintenance of ZDM-3 and ZDM-5 narrow gauge diesel locos. Amenities
Kalka railway station has two double-bedded non-AC retiring rooms and a four-bedded dormitory. It has a computerized reservation office, vegetarian and non-vegetarian refreshment rooms and book stall. Kalka Mail
Kalka Mail (numbered 1 Up / 2 Dn) began operation in 1866 between  and Delhi and then further extended from Delhi to Kalka in 1891. Both the terminal stations had internal carriageway for the cars of Viceroy and other high-ranking officers to reach next to their rail coach, The carriageway at Howrah is still used and runs between platforms 8 and 9, but the carriageway at Kalka has been converted into a platform. 