কলকাতা

The Kolkata Metro is a rapid transit system serving the city of Kolkata in West Bengal, India. As of February 2021, it has two operational lines, a 31.36 km (19.49 mi) line from Dakshineswar to Kavi Subhash and a 7.205 km (4.477 mi) line from Salt Lake Sector V to Phoolbagan, for a total of 38.565 km (23.963 mi). Four other lines are in various phases of construction. The system has a mix of underground, at-grade and elevated stations using both broad-gauge and standard-gauge tracks. Trains operate between 05:45 and 21:55 IST and the fares range from ₹5 to ₹30 (US$0.07 to US$0.40).
The Kolkata Metro is the first planned and operational rapid transit system in India. It was initially planned in the 1920s, but construction started in the 1970s. The first underground stretch, from Bhawanipore (now Netaji Bhawan) to Esplanade, opened in 1984. Line 2, or the East–West Corridor, opened in 2020. It is the fifth-longest operational metro network in India after the Delhi Metro, Hyderabad Metro, Chennai Metro and Namma Metro.
Metro Railway, Kolkata and Kolkata Metro Rail Corporation are the owners and operator of the system. On 29 December 2010, Metro Railway, Kolkata, became the 17th zone of the Indian Railways, completely owned and funded by the Ministry of Railways. It is the only metro in the country to be controlled by Indian Railways. There are around 300 daily train trips carrying more than 700,000 passengers.

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