Answer: Option A. -> Tejas Express
The Delhi-Lucknow Tejas Express is set to be the first train to be operated by private players, sources said Monday, indicating that the Railways is going ahead with its 100-day agenda of handing over operations of two of its trains to the private sector, despite protests from its unions.

Answer: Option A. -> 3
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.

Answer: Option B. -> Second
Second position

Answer: Option B. -> Chennai
India's first rail-auto transportation and logistics hub will come up in Walajabad, near Chennai, Tamil Nadu.

Answer: Option C. -> Kolkata
The Kolkata Metro was the first metro railway in India, opening for commercial services from 1984.

Answer: Option C. -> 1, 2 & 3
All three

Answer: Option B. -> Bangalore
Rail Wheel Factory, Yelehanka (RWF) (also known as Wheel and Axle Plant) is a manufacturing unit of Indian Railways, producing wheels, axles and wheel sets of railroad wagons, coaches and locomotives for the use of Indian Railways and overseas customers is situated at Yelahanka, Bangalore in the Indian state of Karnataka.

Answer: Option B. -> From Mumbai to Thane
The first passenger train in India ran between Bombay (Bori Bunder) and Thane on 16 April 1853.

Answer: Option A. -> Railway Board
Railway Board.

Answer: Option C. -> 1972
The production of steam and diesel locomotives were discontinued in 1972 and 1993 respectively.