Jamna Auto Industries Limited engages in the manufacture and sale of tapered leaf, parabolic springs, and lift axles under the JAI brand in India and internationally. It offers tapered multileaf springs that are used in commercial and special application vehicles. The company also provides parabolic springs for passenger cars; rear air suspensions used in city and intercity buses; steerable/non steerable lift axles; and bogie suspensions that are used in on-off highway applications. Jamna Auto Industries Limited was founded in 1954 and is based in New Delhi, India.