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DRDO in Republic Day - Shanmugam IAS academy in coimbatore
DRDO in Republic Day


What’s in news?

Defence Research and Development Organisation showcased many defence systems developed by it in the republic day parade.

Key data’s:

  • Defence Research and Development Organisation (DRDO) is committed to the indigenous development of defence systems.
  • The DRDO-developed products such as surface-to-air-missile ‘Akash’, Mobile Bridging System ‘Sarvatra’, beyond visual range air-to-air missile ‘Astra’, Light Combat Aircraft ‘Tejas’, Air Defence Tactical Control Radar (ADTCR) and Anti-Satellite Missile (ASAT) were displayed as part of different tableaux of DRDO and the Armed Forces.


  • The Akash (sky) is a mid-range surface-to-air missile (SAM) system developed by DRDO.
  • The missile was developed under the integrated guided-missile development programme (IGMDP).
  • The programme also involved the development of the Nag, Agni and Trishul missiles, as well as the Prithvi ballistic missile.
  • The Akash SAM system can employ multiple air targets while operating in fully autonomous mode.

Multispan Mobile Bridging System (SARVATRA)

  • Sarvatra, offers versatile bridging solutions for all types of military traffic for negotiating wet and dry obstacles of up to 75m span in steps of 15m, within 100 minutes.
  • It can be used as an emergency bridge during natural calamities like floods and earthquakes.


  • ASTRA the first indigenously developed air-to-air missile.
  • It works on the Beyond Visual Range Air-to-Air Missile (BVRAAM) technology that enables the fighter-pilots to shoot precisely at the enemy targets which are beyond their visual range.
  • A deadly feature of this missile is the option to choose between “Lock-on Before Launch – LOBL” and “Lock-on After Launch – LOAL”.
  • Lock-on After Launch option allows the fighter aircraft to safely shoot and scoot after launching the missile towards the target.

Light Combat Aircraft ‘Tejas’:

  • HAL Tejas is an Indian single-engine, delta wing, multirole light fighter designed by the Aeronautical Development Agency (ADA) and Hindustan Aeronautics Limited (HAL) for the Indian Air Force and Indian Navy.
  • It came from the Light Combat Aircraft (LCA) programme, which began in the 1980s to replace India’s ageing MiG-21 fighters. In 2003, the LCA was officially named “Tejas”.

Air Defence Tactical Control Radar (ADTCR):

  • The ADTCR, is used for volumetric surveillance, detection, tracking and friend/foe identification of aerial targets of different types. The radar is capable of detecting very small targets and low flying targets.

Anti-Satellite Missile (ASAT):

  • ASAT missile was used in Mission Shakti. Maiden successful trial of ASAT was carried out on March 27, 2019. Mission Shakti, the test mission, was a major breakthrough in demonstrating the nation’s anti-satellite technology and precision strike capability. ASAT will play a critical role in providing necessary deterrence against rogue satellites as well as intercontinental ballistic missiles. 

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