Raja Nahar Singh metro stationThe Raja Nahar Singh metro station is terminating station on the Violet Line of the Delhi Metro. Finance Minister of Haryana urged to name Ballabhgarh Metro station after martyr Raja Nahar Singh.HistoryAs part of Phase III of the extension of Delhi Metro, Raja Nahar Singh is the extension of Violet Line. It was opened on 19 November 2018 for public use.