The Magenta Line is a metro rail line of the Delhi Metro, a rapid transit system in Delhi, India and the first driverless metro in India.The line is laid on most of the parts of South Delhi and is mostly underground.The total length of the line is 37.46 kilometers (23.28 mi) and it consists of 25 metro stations from Janakpuri West to Botanical Garden, out of which 10 are elevated and the rest are underground. Unlike the Airport Metro Express, this line directly serves Terminal 1 of the Indira Gandhi International Airport.

The Delhi Metro is a mass rapid transit system which serves Delhi and its adjoining satellite cities, such as Ghaziabad, Faridabad, Gurugram, Noida and Bahadurgarh, in the National Capital Region of India. The system consists of 10 colour-coded lines serving 256 stations, with a total length of 350.42 kilometres (217.74 mi). It is India's largest and busiest metro rail system and the second-oldest, after the Kolkata Metro. The metro has a mix of underground, at-grade, and elevated stations using broad-gauge and standard-gauge tracks. The metro makes over 4,300 trips daily.