Which express train that is run by Indian Railways turned 50 in 2019?

Question

AShatabdi Express

BRajdhani Express

CDuronto Express

DSampoorn Kranti Express

Select from the options above.

Correct Option: 2  

Explanation:
India's first Rajdhani Express, which revolutionized Indian Railways by way of speed and luxury in the 1960s, turned 50 as the flower-bedecked train chugged out of Howrah station on its golden jubilee run.