Mountain Railways of India refer to the railway lines built in the mountains of India in the nineteenth and early twentieth century, during the British Raj, even being run today by the Indian Railways. How many railway lines refer to the Mountain Railways of India ?

Solution(By Examveda Team)

Mountain Railways of India:
(i) Darjeeling Himalayan Railways (DHR) - inscribed by UNESCO in 1999 :
The Darjeeling Himalayan Railway consists of 88.48 kilometres of 2 feet (0.610 metre) gauge track that connects New Jalpaiguri with Darjeeling, passing through Ghoom at an altitude of 2,258 metres. The innovative design includes six zigzag reverses and three loops with a ruling gradient of 1:31.

(ii) Nilgiri Mountain Railways (NMR) inscribed in 2005:
This railway, scaling an elevation of 326 metre to 2,203 metre, represented the latest technology of the time and uses unique rack and pinion traction arrangement to negotiate steep gradient.

(iii) Kalka Shimla Railway (KSR) inscribed in 2008:
The world’s highest multi-arch gallery bridge and the world’s longest tunnel (at the time of construction) of KSR were the testimony of the brilliance engineering skills applied to make a dream a reality.