| Established | March 1976 |
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| Director | S. Sivakumar |
| Address | Avadi, Chennai-600 054 |
| Location | Chennai |
| Operating Agency | DRDO |
| Website | CVRDE Home Page |
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Combat Vehicles Research and Development Establishment (CVRDE) is a laboratory of the Defence Research and Development Organisation (DRDO). Located in Avadi, in Chennai, India. It is the main DRDO lab involved in the development of Armoured fighting vehicles and Tanks.
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After the Independence of India, the Chief Inspectorate of Mechanical Transport Establishment (MTE), which was previously located in Chaklala, Pakistan, was moved to Ahmednagar. It was later renamed as Vehicle Research & Development Establishment (VRDE), Ahmednagar.
In 1965, the Heavy Vehicles Factory was set up at Avadi to manufacture Vijayanta Tanks. A detachment of VRDE was established there to provide R&D support. In March 1976, the VRDE detachment at Avadi was split off from VRDE and re-designated as Combat Vehicles Research & Development Establishment (CVRDE), as an independent DRDO laboratory responsible for Research & Development of Armoured Fighting Vehicles.[1]
CVRDE has been tasked with the design, development and testing of tracked combat vehicles and specialized tracked vehicles. It has also designed certain aircraft subsystems, mainly related to the engine and hydraulics. Like many DRDO labs, it also develops civilian technologies based on spin-offs of the defence related products developed by it. It has recently started developing Unmanned Ground Vehicles of the tracked category.
CVRDE is the main research lab responsible for the development of the Arjun MBT, 248 of which have been ordered by the Indian Army. It has also developed the Tank-EX, Bhim Self Propelled Artillery, based on the Arjun Chassis, and the Combat Improved Ajeya, an upgrade of the Indian Army's T-72 Tanks.
Apart from these, CVRDE has also developed other combat and Engineering Vehicles, like Armored Cars, Bridge-layer Tanks, Armored Recovery Vehicles and a Mortar Carrier based on the BMP-2 chassis
CVRDE is also working on many technologies related to Armoured Fighting vehicles. CVRDE has a division dedicated to development of Automatic transmissions for Armored Fighting Vehicles. It has developed transmissions of various power ranges viz. 1500, 800, 150 hp. It has developed various subsystems of transmission like torque converter, Fluid coupling and retarder, Steering units, Final drives etc.