Mumbai
Delhi
Kolkata
Chennai
Answer is Wrong!
Answer is Right!
The correct answer is: C. Kolkata
The first underground railway in India was the Kolkata Metro, which opened in 1984. It is the oldest metro system in India and the second oldest in South Asia after the Delhi Metro. The Kolkata Metro is operated by the Kolkata Metro Rail Corporation (KMRCL), a government-owned company.
The Kolkata Metro has 16 stations and a total length of 27.2 km. It is a fully automated system, with trains operated by computers. The Kolkata Metro is a popular mode of transportation in Kolkata, and it is used by millions of people every day.
The other options are incorrect because:
- Mumbai Metro is the second oldest metro system in India, after the Kolkata Metro. It opened in 2002.
- Delhi Metro is the third oldest metro system in India, after the Kolkata Metro and the Mumbai Metro. It opened in 2002.
- Chennai Metro is the fourth oldest metro system in India, after the Kolkata Metro, the Mumbai Metro, and the Delhi Metro. It opened in 2011.