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Defence

Instruments Research and Development Establishment (IRDE), Dehra Dun, under DRDO, is devoted to research, design, development and technology transfer in Electro-Optical Instruments for Arjun MK-II for the Defence Services.
Instruments Research and Development Establishment (IRDE), Dehra Dun, under DRDO, is devoted to research, design, development and technology transfer in Electrical-Optical Sensors for Target Acquisition. Development of electro-optical sensors for light combat aircraft , remotely piloted vehicle and air defence artillery weapon system are some of the more challenging assignments envisaged for the laboratory.
Aircraft projects division of CVRDE is engaged in developing Aircraft Bearings for LCA Tejas programme. These bearings are of high class with the capabilities of operating at high speed and load carrying capacity. CVRDE has established the design , manufacturing technologies and world class testing facilities for carrying out stringent qualification testing for airworthiness.
The Flexible power take-off (PTO) shaft designed and developed by CVRDE, transmits the drive between engine gearbox and Accessory gearbox of Light Combat Aircraft (LCA) - Tejas. the name "flexible PTO Shaft"is derived from the fact that the shaft is able to accommodate large misalignment, which is generally prohibited in the drive line of any transmission system.
CVRDE has been entrusted with abinitio design and development of an Aircraft Mounted Accessory Gear Box (AMAGB) for LCA. The project was sanctioned by Aeronautical Development Agency (ADA) Min. of Defence Bangalore, the Nodal agency for design and development of LCA. AMAGB is a single input, multi output gearbox, which receives its input drive from the LCA engine through a Power Take-Off (PTO) shaft at rated speed of 16,810 rpm. It carries four aircraft accessories on its output pads viz., two hydraulic pumps, one generator and one starter unit.
As DRDO is involved in projects under variety of disciplines, the provided data presents a break-up of the R&D project costs under various disciples along with their status i.e. already executed and under execution
Over the last few years terrorism and insurgency have become a very important from the point of view of national security. DRDO has developed various technologies in order to engage and mitigate these challenges. The INSAS rifle and Light Machine Gun Carbine developed by DRDO,have been used by para military forces in counter-insurgency operations for many years now.
Instruments Research and Development Establishment (IRDE), Dehra Dun, under DRDO, is devoted to research, design, development and technology transfer in optical and electro-optical instrumentation primarily for the Defence Services. The origin of IRDE dates back to the establishment of Inspectorate of Scientific Stores in 1939 at Rawalpindi (now in Pakistan) with the responsibility to inspect the tele-communication equipment used by the Army in India.
The main objective of Combat Vehicles and Engineering cluster of DRDO is the development of technologies for progressive achievement of self-reliance in the area of Combat Vehicles & Engineering. The emphasis is on the development of Combat Vehicle Technology and Engineering equipments/systems, empowering our defence forces with breakthrough technologies.
Instruments Research and Development Establishment (IRDE), Dehra Dun, under DRDO, is devoted to research, design, development and technology transfer in optical and electro-optical instrumentation primarily for the Defence Services. To achieve excellence in the fields of Optics & Electro-optical Instrumentation with a commitment to provide high quality Instruments.

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