Mountain railway of India is also known as five railway line which was built in mountains of India in early 20th century by British. These railway lines are still in functioning and now it is maintained by Indian Railways. There are four major mountain railway line located in India which is also a hot tourist attraction. These railway lines are as follows: 1. Darjeeling Himalayan railway line 2. Kalka Shimla railway line 3. Nilgiri Mountain railway line 4. Matheran hill railway line Darjeeling Himalayan railway line is famous because of its toy train which runs at two feet narrow gauge track. It covers distance of eighty eight kilometres from town of Siliguri to beautiful Darjeeling. Darjeeling is located in state of West Bengal and the railway line is maintained by Indian railways. Darjeeling railway line was built by British government. Darjeeling is an important hill station and famous for its tea planting.  Darjeeling Himalayan railway line is an excellent example o...