Delhi Metro is a world-class metro. To ensure reliability and safety in train operations, it is equipped with the most modern communication and train control system. It has state-of-art air-conditioned coaches. Ticketing and passenger control are through Automatic Fare Collection System, which is introduced in the country for the first time. Travelling in Delhi Metro is a pleasure with trains ultimately available at three minutes frequency. Entries and exits to metro stations are controlled ... Delhi Metro Violet Line Route Map - Map showing the metro stations lying on violet line connecting Kashmere Gate and Raja Nahar Singh (Ballabhgarh). The Violet Line is a rapid transit metro line in Delhi, India, connecting Kashmere Gate with Raja Nahar Singh via Faridabad. It has 34 stations, 46.34 km length, and runs underground and elevated tracks. Delhi Metro Violet Line links Kashmere Gate to Raja Nahar Singh with 34 stations. See route, timings, fares, and key interchanges.