Can you tell me if Kolkata Metro is an underground Metro Railway in India? Also provide me other important details of the Kolkata Metro?

The Kolkata Metro is a rapid transportation system aiding the Kolkata metropolitan area in the state of West Bengal. The network currently consists of one operational line of 27.22 km from Noapara to Kavi Subhash with three other lines in various phases of construction.

The Kolkata Metro was the first metro railway in India, opening for commercial services from 1984. It is the sixth longest operational metro network in India after the Delhi Metro, Hyderabad Metro, Chennai Metro, Namma Metro and Noida Metro.

On 29 December 2010, Metro Railway Kolkata became the 17th zone of the Indian Railways operated by the Ministry of Railways. It is the only metro in India controlled by Indian Railways. The total number of trips per day is 236.


Overview

Locale Kolkata, West Bengal, India

Transit type Rapid Transit

Number of lines 1 (Operational)
4 (Under construction)
3(Planned but construction not started)

Number of stations 24 Stations (Operational)
44 Stations (Under construction)
26 Stations (Planned but construction not started)

Daily ridership Over 700,000

Chief executive Prabodh Chander Sharma GM (Metro Railway)
Manas Sarkar MD (KMRC)

Headquarters Metro Railway, Kolkata, Metro Rail Bhavan, 33/1 J.L. Nehru Road, Kolkata - 700071
Kolkata Metro Rail Corporation, HRBC Complex, KMRCL Bhawan, 2nd & 3rd Floor, Munsi Premchand Sarani, Kolkata - 700021

Operation

Began operation 24 October 1984; 34 years ago

Operator(s) Metro Railway, Kolkata
Kolkata Metro Rail Corporation
Host railroads Indian Railways

Number of vehicles 43

Train length 6 and 8 Coaches

Headway 5, 6, 8, 10, 15, 20 Minutes


Technical

System length 27.22 km

Track gauge 1,676 mm (5 ft 6 in)
(Broad gauge) for Line 1, 3, 4, 5, 6
1,435 mm (4 ft 8 1⁄2 in)
(Standard gauge) for Line 2

Electrification 750 V DC Third Rail

Average speed 55-60 KMPH