Defense DRDO

Defence Research & Development Organisation (DRDO) – Complete GK Capsule for Railway Exams


1. Key Facts & Figures

Parameter Detail
Full Name Defence Research & Development Organisation
Established 1958 (January 1)
Headquarters DRDO Bhawan, Rajaji Marg, New Delhi
Chairman Dr Samir V Kamat (as on 2024) – also Secretary, Deptt. of Defence R&D
Under Ministry Ministry of Defence, Govt. of India
Total Labs/Estts 52 (51 labs + 1 academy)
Total Employees ≈ 25,000 (7,000 scientists + 18,000 tech-support)
Budget 2023-24 ₹23,264 crore (BE) – 5.7 % of total defence budget
Motto “Balasya Mulam Vigyanam” (Sanskrit: “Strength’s Origin is Science”)

2. Important Milestones & Dates

Year Event
1948 Defence Science Organisation (DSO) – post-independence nucleus
1958 DRDO formally born by merging TDEs & DSO (Govt. Resolution 30 Jan 1958)
1962 First indigenous product – 7.62 mm SLR rifle
1974 Smiling Buddha (Pokhran-I); DRDO provided sensors & data
1983 IGMDP (Integrated Guided Missile Dev. Programme) launched
1989 Agni-I first flight (22 May)
1998 Pokhran-II; DRDO led weaponisation (11-13 May)
2008 K-15 SLBM launched from submerged pontoon (26 Feb)
2010 AMCA 5th-gen fighter project sanctioned
2012 Agni-V first flight (19 Apr) – 5,000 km range
2014 DRDO@56 celebration; “Self-Reliance” tagline adopted
2018 ASAT Mission “Mission Shakti” (27 Mar) – 300 km LEO target
2020 COVID-19: 50+ products in 90 days (ventilators, 2-DG drug)
2021 LCA Tejas Mk-1A order (₹48k cr) cleared; Ghatak UCAV project go-ahead
2022 NAGASTRA-1 (man-portable anti-tank guided missile)
2023 AD-1 endo-atmospheric interceptor flight-tested (Nov)
2024 Ugram 155 mm gun cleared for user trials

3. Major DRDO Systems – Quick Table

System Type Range / Speed Status
Agni-P Ballistic Missile 1,000–2,000 km Tested 2021, induction underway
Agni-V ICBM 5,000+ km Inducted; canisterised
BrahMos Supersonic Cruise 290–450 km / Mach 2.8 Operational (all 3 services)
Akash-NG Surface-to-Air 70 km Flight trials complete
QRSAM Quick Reaction SAM 30 km Army induction 2023
Astra Mk-1 Air-to-Air BVR 110 km IAF & Navy operational
Nirbhay Sub-sonic cruise 1,000 km / Mach 0.7 Development trials
Prahar Tactical Prithvi 150 km Army trials
PINAKA Mk-I MBRL 37 km Inducted
PINAKA Mk-II Enhanced MBRL 75 km Inducted
ATAGS 155 mm/52 cal towed gun 48 km User trials 2023
Arjun Mk-1A Main Battle Tank 68 t 118 ordered (2021)
LCA Tejas Light Combat Aircraft 1.8 Mach IOC-2004, FOC-2019, Mk-1A 2024
LCH Prachand Light Combat Helicopter 330 km/h IAF & Army 2022
DRDO Netra AEW&C 250 km radar range 3 delivered to IAF
Rustom-2 MALE UAV 24 h endurance LSP stage
SWARM Loitering Munition 50 km trials 2023

4. DRDO Laboratories – Zone-wise

Aeronautics

Lab Location Key Work
ADA Bengaluru LCA, AMCA
GTRE Bengaluru Kaveri aero-engine
CEMILAC Bengaluru Certification & air-worthiness

Missiles & Strategic

Lab Location Key Work
DRDL Hyderabad Agni, Prithvi, BMD
RCI Hyderabad Avionics, seekers
HEMRL Pune Propellants, explosives
Lab Location Key Work
NSTL Visakhapatnam Torpedoes, sonars
NSTL(Kochi) Kochi Marine materials

Life Sciences

Lab Location Key Work
DIPAS Delhi High-altitude protection
DEBEL Bengaluru Pilot clothing, bio-energy

5. One-Liner Rapid Revision Facts

  • DRDO formed on 1 Jan 1958 by merging Technical Development Establishments.
  • Pokhran-I (1974) – DRDO designed the implosion system & sensors.
  • IGMDP headed by Dr APJ Abdul Kalam – 5 missiles: Agni, Prithvi, Akash, Trishul, Nag.
  • BrahMos is Indo-Russian JV (DRDO + NPOM); named after Brahmaputra + Moskva rivers.
  • ASAT missile used PDV Mk-II interceptor; hit Microsat-R at 283 km altitude.
  • 2-DG drug developed by INMAS & DRL for COVID-19.
  • ATAGS holds world record 48 km range with base-bleed shell.
  • Arjun MBT is 68-ton; 120 mm rifled gun.
  • LCA Tejas is lightest supersonic fighter in its class.
  • DRDO Netra is based on Embraer ERJ-145 platform.
  • Kaveri engine dry thrust: 46 kN, wet: 73 kN.
  • Nirbhay uses Manik small turbofan engine.
  • HSTDV (2020) achieved Mach 6+ for 20 s – critical for hypersonic vehicles.
  • Young Scientist Labs (2020) – 5 labs headed by scientists < 35 yrs.
  • Technology Transfer portal – https://drdo.gov.in/tech-offer – 1,500+ patents free for MSMEs.

6. Multiple-Choice Questions (15+)

Click to view MCQs with Answers
  1. DRDO was established in which year?
    a) 1947 b) 1950 c) 1958 d) 1962
    Ans: c) 1958

  2. The present Chairman of DRDO (2024) is:
    a) Dr G Satheesh Reddy b) Dr Tessy Thomas c) Dr Samir V Kamat d) Dr VK Saraswat
    Ans: c) Dr Samir V Kamat

  3. DRDO’s motto “Balasya Mulam Vigyanam” means:
    a) Science is Power b) Strength Originates from Science c) Defence Needs Science d) Science for Nation
    Ans: b) Strength Originates from Science

  4. The IGMDP was launched in:
    a) 1974 b) 1983 c) 1990 d) 1998
    Ans: b) 1983

  5. Which missile was NOT part of IGMDP?
    a) Agni b) Trishul c) Shaurya d) Nag
    Ans: c) Shaurya

  6. The first flight of Agni-V took place on:
    a) 19 Apr 2010 b) 19 Apr 2012 c) 27 Mar 2018 d) 11 May 1998
    Ans: b) 19 Apr 2012

  7. What is the range of BrahMos cruise missile (2024 version)?
    a) 290 km b) 450 km c) 800 km d) 1000 km
    Ans: b) 450 km

  8. Which DRDO lab developed the ASAT interceptor PDV Mk-II?
    a) DRDL b) RCI c) ASL d) DEBEL
    Ans: c) ASL (Advanced Systems Laboratory)

  9. The world-record range of 48 km is achieved by which DRDO gun?
    a) Dhanush b) ATAGS c) M777 d) Haubits FH77
    Ans: b) ATAGS

  10. The Light Combat Aircraft Tejas is developed by:
    a) HAL b) ADA c) NAL d) GTRE
    Ans: b) ADA

  11. The COVID-19 drug 2-DG was developed by DRDO in collaboration with:
    a) Sun Pharma b) Dr Reddy’s c) Cipla d) Glenmark
    Ans: b) Dr Reddy’s

  12. Which of the following is a MALE UAV of DRDO?
    a) Lakshya b) Nishant c) Rustom-2 d) ALH
    Ans: c) Rustom-2

  13. The hypersonic vehicle HSTDV achieved Mach:
    a) 4 b) 5 c) 6+ d) 8
    Ans: c) 6+

  14. The naval anti-ship missile launched from submarine is:
    a) Nirbhay b) K-15 (B-05) c) Shaurya d) Prahar
    Ans: b) K-15 (B-05)

  15. Which city hosts the maximum number of DRDO labs?
    a) Delhi b) Hyderabad c) Bengaluru d) Pune
    Ans: c) Bengaluru (≈ 12 labs)

  16. DRDO’s Young Scientist Laboratories were started in:
    a) 2018 b) 2019 c) 2020 d) 2021
    Ans: c) 2020

  17. The induction batch of Arjun Mk-1A tanks ordered is:
    a) 68 b) 118 c) 124 d) 200
    Ans: b) 118

  18. Which DRDO missile uses solid-ramjet technology?
    a) Astra b) SFDR c) QRSAM d) Akash-NG
    Ans: b) SFDR (Solid Fuel Ducted Ramjet)

  19. The AEW&C platform Netra uses which aircraft?
    a) Airbus A321 b) Embraer ERJ-145 c) Dornier 228 d) Boeing 737
    Ans: b) Embraer ERJ-145

  20. DRDO’s budget share in total defence budget 2023-24 is approx:
    a) 2 % b) 5.7 % c) 10 % d) 15 %
    Ans: b) 5.7 %


7. Quick Revision Chart (Pin & Save)

To Remember Value
DRDO Born 1-1-1958
Total Labs 52
5 Missiles of IGMDP A-P-T-A-N (Agni-Prithvi-Trishul-Akash-Nag)
ASAT Date 27 Mar 2018
Agni-V Range 5,000+ km
ATAGS Range 48 km
Kaveri Engine 46 kN dry
COVID Drug 2-DG
Hypersonic Demo HSTDV – Mach 6
Arjun Mk-1A Order 118
LCA Name Meaning “Radiance” in Sanskrit

Keep revisiting this capsule; 2-3 questions every year in Railway & Defence exams come straight from DRDO milestones.