Multiple choice

Which of the following cities was the first city in India to have a second underground railway corridor?

  1. New Delhi

  2. Kolkata

  3. Mumbai

  4. Chennai

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Kolkata was the first city in India to have an underground railway corridor - the Kolkata Metro, which started operations in 1984. This was the first underground mass transit system in the country, preceding Delhi's metro by nearly two decades.