Question: Deepanjali Nagar is a metro station on the Purple Line of which metro system serving the city of Bengaluru, (Karnataka), India?

Context paragraphs:
Deepanjali Nagar metro station: Deepanjali Nagar is a metro station on the Purple Line of the Namma Metro serving Deepanjali Nagar, Bangalore.  It was opened to the public on 16 November 2015.

Akshardham metro station: The Akshardham (Hindi: अक्षरधाम ) Metro Station is a Delhi Metro station operated by the Delhi Metro Rail Corporation Limited.  The station lies between Pandav Nagar on one side and the Akshardham mandir and the Commonwealth Games Village on the other side.  It was designed to be a complement of the Akshardham mandir located nearby.  The station, which was completed on 12 November 2009, is the tallest metro station within the Delhi Metro system.  The station serves commuters traveling to the mandir and provided transport for the 2010 Commonwealth Games.

Majestic metro station: Nadaprabhu Hiriya Kempegowda Stn., Majestic is a Namma Metro (Kannada for our "metro") station in Bangalore, (Karnataka) India.  It is the largest metro station in Asia, and opened to the public on 30 April 2016.  Majestic serves as the interchange station allowing passengers to transfer between the Purple Line and the Green Line.  The station is located about 500 meters away from the Kempegowda Bus Station.

Belmont station (CTA North Side Main Line): Belmont is an 'L' station serving the Chicago Transit Authority's Red and Brown lines, and the Purple Line Express during weekday rush hours.  It is located at 945 West Belmont Avenue in the Lakeview neighborhood of Chicago, Illinois.  It is an elevated station with two island platforms serving four tracks; Brown and Purple Line trains share the outer tracks while Red Line trains run on the inner tracks.  Along with residential areas, the neighborhood surrounding Belmont contains many eclectic shops, bars, and restaurants and active nightlife.  The station is one of the more heavily utilized on the system serving as a busy transfer point, and also as a terminal when the Brown Line operates as a shuttle service to and from Kimball late at night and early in the morning.  It is nearly identical to Fullerton, minus the terminal status.

City Railway Station metro station (Bangalore): City Railway Station is an underground metro station on the Purple Line of the Namma Metro serving Subhash Nagar, Sevashrama, Bangalore.  It was opened to the public on 30 April 2016.

Chennai Metro: The Chennai Metro, officially Chennai Metro Rail Limited (CMRL), is a rapid transit system serving the city of Chennai, Tamil Nadu, India.  The system commenced revenue service in 2015 after partially opening the first phase of the project.  The network consists of two colour-coded lines covering a length of 54.1 km .  Upon completion Chennai Metro will be one of the largest metro system in India along with Delhi Metro, Namma Metro and Kolkata Metro.

Kolkata Metro: The Kolkata Metro is a public sector undertaking organization and a rapid transit system serving the city of Kolkata and the districts of South 24 Parganas and North 24 Parganas and will soon serve Howrah in the Indian state of West Bengal.  The network currently consists of one operational line of 27.22 km from Noapara to Kavi Subhash with five other lines in various phases of construction.  The Kolkata Metro was the first metro railway in India, opening for commercial services from 1984.  On 29 December 2010, Metro Railway, Kolkata became the 17th zone of the Indian Railways, operated by the Ministry of Railways.  There are 300 metro services daily carrying over 650,000 passengers making it the second busiest metro system in India.

Namma Metro: Namma Metro for "Our Metro", also known as Bengaluru Metro) is a metro system serving the city of Bengaluru, (Karnataka), India.  It is currently the second longest operational metro network in India after Delhi Metro.  On the other hand, Namma Metro ranked the 83rd largest metro system in terms of length and 79th largest metro network in terms of number of operating stations in the world.  It also contains the first underground metro line in South India.  The metro network consists of two colour-coded lines, with a total length of 42.3 kilometres serving 41 stations.  The system has a mix of underground, at-grade, and elevated stations using standard-gauge tracks.  The metro has an average daily ridership of 315,000 passengers.

Purple Line (Namma Metro): Purple Line of the namma metro(Kannada for our "metro") is part of the metro rail system for the city of Bangalore,(Karnataka), India.  The 18.22 km line connects Baiyyappanahalli with Mysore Road.  The line links the eastern, central and western areas of Bangalore.  The Purple Line is mostly elevated, with 12 elevated stations and 5 underground stations.  The Majestic station serves as the interchange station with the Green Line.  It generally takes around 35 minutes to travel from one end to another end, as compared to around 90 minutes taken to travel on road.

Mysore Road metro station: Mysore Road is a metro station on the Purple Line of the Namma Metro serving Muthachari Industrial Estate and Deepanjali Nagar, Bangalore.  It was opened to the public on 16 November 2015.

Supporting paragraphs: Deepanjali Nagar metro station Namma Metro
Answer: Namma Metro