Heavy Vehicles Factory

The Heavy Vehicles Factory (HVF) is located at Avadi in Chennai in the Indian state of Tamil Nadu.
HVF was set up in 1961 by the Ordinance Factory Board, Government of India to manufacture heavy battlefield equipment, including Vijayantas, Kartik BLT, M-46 Catapult and T-72 Ajeya tanks.
Currently, HVF manufactures India's Arjun MBT, Arjun BLT, Arjun Catapult, Bridge Layer Tanks, Akash Missile Launchers, Bhim self-propelled howitzers and the T-90 Bhishmas. The Engine Factory of HVF functions separately from HVF.
Solar plant.
The factory has a 16 mega watt (MW) solar power plant, spread over 80 acres of land, commissioned in 2018, which is the largest solar power plant in the city. It was installed by Bharat Electronics Limited (BEL) at a cost of 1,050 million. A 110 kilo volt (KV) substation had been constructed to distribute the power generated from the plant. The plant helps reduce carbon dioxide emissions to the extent of 26,000 tonnes per annum, saving 45 million annually to the HVF and Engine Factory (EFA).