With reference to Darjeeling Himalayan Railway (DHR), consider the following statements: It is a UNESCO World Heritage site along with Nilgiri and Kalka-Shimla railway. It is currently a narrow-gauge railway. Logos of DHR are registered as an intellectual property. Which of the statements given above is/are correct?

[A] 1 and 2 only

[B] 2 and 3 only

[C] 1 and 3 only

[D] 1, 2 and 3

Answer: D

Notes:

All statements are correct.

About Darjeeling Himalayan Railway,

Darjeeling Himalayan Railway, also known as the DHR or the Toy Train, is a narrow-gauge railway built between 1879 and 1881.
Route: The railway runs between New Jalpaiguri and Darjeeling in West Bengal.
UNESCO World Heritage Site: In 1999. UNESCO declared the DHR a World Heritage Site. Two more railway lines (Nilgiri and Kalka-Shimla) were later added and the site became known as one of the mountain railways of India.

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