Army Navy and Defense

Question 1

What is the purpose of India’s “Exercise Yudh Abhyas”?

Answer 1

A bilateral army exercise between India and the USA.
Focuses on counter-insurgency and counter-terror operations under UN mandates.
Held annually, alternating between India and the US.

Memory Aid: “Yudh (war) + Abhyas (practice)” = Practicing war drills with Uncle Sam (USA).

Question 2

What is “Exercise Milan” and who participates in it?

Answer 2

Multilateral naval exercise hosted by India.
Held at Visakhapatnam, Andaman Sea.
Involves navies from over 40 nations (e.g., Japan, France, Australia).
Emphasizes maritime cooperation and security.

Memory Aid: “Milan” = “Coming together” — naval friends of India meet in Vizag.

Question 3

What is “Exercise Varuna”?

Answer 3

Bilateral naval exercise between India and France.
Focus on naval interoperability, aircraft carrier operations, and submarine warfare.
Active since 2001.

Question 4

What is “Exercise Garuda Shakti”?

Answer 4

India–Indonesia joint military exercise.
Focus: Jungle warfare and counter-terrorism in semi-urban terrain.
Held alternately in both countries.

Memory Aid: “Garuda” = Indonesia’s national symbol + “Shakti” = Indian strength.

Question 5

What is “Exercise Vajra Prahar”?

Answer 5

India-US Special Forces joint exercise.
Conducted by Indian Special forces and US Green Berets.

Question 6

What is “Exercise Malabar”?

Answer 6

Quadrilateral naval exercise between India, USA, Japan, and Australia.
Focuses on Indo-Pacific security, freedom of navigation, and joint combat readiness.
Evolved from a bilateral to QUAD format.

Question 7

What is Agni-V missile and why is it significant?

Answer 7

ICBM with a range of over 5,000 km.
Capable of hitting all of Asia and parts of Europe.
Nuclear-capable. Uses canister-based launch system.

Question 8

What is the Prithvi missile?

Answer 8

Short-range ballistic missile (SRBM).
Developed under Integrated Guided Missile Development Program (IGMDP).
Range: 150–350 km.
Used by Army and Air Force.

Question 9

What is BrahMos missile known for?

Answer 9

Supersonic cruise missile jointly developed with Russia.
Range: Varies for BrahMos-NG, II, air, sea, etc. Upto 3000 km
Can be launched from land, sea, air.
Recently tested with SU-30MKI fighter jets.

Memory Aid: BRAHMOS = Brahma (India) + Moskva (Russia).

Question 10

What is Akash missile?

Answer 10

Surface-to-air missile (SAM).
Range: ~25 km.
Designed for intercepting aerial threats: aircraft, drones, missiles.
Deployed by IAF and Army.

Question 11

What is INS Vikrant (IAC-1) and why is it significant?

Answer 11

India’s first indigenously built aircraft carrier.
Commissioned in 2022.
Made by Cochin Shipyard.
Enhances India’s blue water navy capabilities.

Question 12

What is the role of INS Arihant?

Answer 12

India’s nuclear-powered ballistic missile submarine (SSBN).
Part of India’s nuclear triad (air-land-sea).
Equipped with K-15 SLBM.

Question 13

What is INS Visakhapatnam?

Answer 13

India’s stealth guided-missile destroyer ship.
Commissioned in 2021.
Part of Project 15B.
Equipped with Barak-8 and BrahMos.

Question 14

What is Tejas?

Answer 14

India’s indigenous 4.5 gen fighter jet, developed by HAL.
Lightweight, multi-role.
Replacing older MiG-21s.
Being exported to countries like Argentina (under discussion).

Question 15

What is Rafale aircraft known for?

Answer 15

French-made omni-role fighter jet.
High agility, precision targeting.
India inducted 36 jets between 2020–2022.
Equipped with Meteor (BVR missile) and SCALP (cruise missile).

Question 16

What is the Apache AH-64E helicopter used for?

Answer 16

Attack helicopter with precision strike capability.
Used by Indian Air Force & Army.
Features hellfire missiles and night vision.
Bought from USA.

Question 17

What is the Pinaka Rocket System?

Answer 17

Multi-Barrel Rocket Launcher (MBRL) system developed by DRDO.
Replaces Soviet-era Grad systems.
Range: 40–75 km (Mk-I and Mk-II variants).
Deployed during India-China standoff (2020).

Question 18

What is the Arjun MBT (Main Battle Tank)?

Answer 18

India’s indigenous third-gen tank, developed by CVRDE/DRDO.
Features: 120mm gun, Kanchan armor, advanced fire control.
Arjun Mk-1A variant inducted in 2021.

Question 19

What is Nag missile and what makes it unique?

Answer 19

Anti-tank guided missile developed by DRDO.
Fire-and-forget, infrared imaging seeker.
Can be launched from land or NAMICA vehicle.

Question 20

What is the Smart Anti-Airfield Weapon (SAAW)?

Answer 20

Precision-guided bomb developed by DRDO.
Air-launched to disable enemy runways & infrastructure.
Range: ~100 km.

Question 21

What is Project Kusha?

Answer 21

DRDO-led project to develop interceptor missile defense system.
transportable, long-range surface-to-air missile system to be developed by 2028-29 in association with Israel and Russia
Complements Ballistic Missile Defense (BMD) Shield.
Includes Phase-I: AAD & PAD systems.

Question 22

What is India’s Nuclear Doctrine?

Answer 22

Announced in 1999, formalized in 2003.
Key tenets:
No First Use (NFU)
Credible Minimum Deterrence
Massive Retaliation if attacked.

Question 23

What is the Cold Start Doctrine?

Answer 23

An offensive military strategy against Pakistan.
Allows swift, localized, limited incursions using integrated battle groups (IBGs).
Officially not acknowledged, but widely discussed.

Question 24

What is the Strategic Forces Command (SFC)?

Answer 24

Operational command of India’s nuclear weapons.
Functions under Nuclear Command Authority (NCA).
Ensures second-strike capability.

Question 25

What is Rudram-1?

Answer 25

India’s first indigenous Anti-Radiation Missile (ARM). Targets enemy radar, surveillance, and jamming systems. Can be launched from SU-30MKI. Currently in final user trials.

Question 26

What is the role of DRDO’s Aeronautical Development Agency (ADA)?

Answer 26

Designs and develops combat aircraft (e.g., Tejas). Leads AMCA (Advanced Medium Combat Aircraft) project. Under Ministry of Defence, with HAL as manufacturer.

Question 27

What is Hypersonic Technology Demonstrator Vehicle (HSTDV)?

Answer 27

DRDO-developed prototype for hypersonic missiles and scramjets. Achieved Mach 6 speed in 2020 trial. Supports BrahMos-II development.

Question 28

What is the Advanced Medium Combat Aircraft (AMCA)?

Answer 28

India’s 5th-gen stealth fighter jet, under development by DRDO-ADA-HAL. Will feature stealth, supercruise, AI, internal weapons bay. Target: First flight by 2026, induction by 2032. Intended to supplement/replace Su-30MKI fleet.

Question 29

What is KALI-5000 and why is it often in the news?

Answer 29

Experimental Directed Energy Weapon (DEW) project by DRDO + BARC. KALI = Kilo Ampere Linear Injector, emits high-energy electron beams. Allegedly usable against missiles, satellites, drones – still under wraps.

Question 30

What is LRDE (Electronics & Radar Development Establishment)?

Answer 30

DRDO lab developing indigenous radars for Army, Navy, Air Force. Developed Arudhra radar, Swathi Weapon Locating Radar. Located in Bengaluru.

Question 31

What is the aim of India’s Ballistic Missile Defence (BMD) Shield?

Answer 31

Two-tier shield using: PAD (Prithvi Air Defence) – exo-atmospheric AAD (Advanced Air Defence) – endo-atmospheric Designed to intercept incoming ballistic missiles. Partially deployed in Delhi, Mumbai.

Question 32

What is DRDO’s unmanned vehicle development roadmap?

Answer 32

Includes: TAPAS-BH201 (medium-altitude long-endurance drone) Rustom series Combat Air Teaming System (CATS) for teaming manned and unmanned fighters Autonomous underwater vehicles under Navy modernization.

Question 33

What is MIRV?

Answer 33

* **Multiple Independently TargetableRe-Entry Vehicles** * This technology allows the vehicles to carry **multiple warheads** each capable of targeting **different locations**. * First developed in the **US** and available only with **UK, France, Russia and China** * Successful flight test of these vehicles in **Mission Divyastra** was conducted by the DRDO in 2024

Question 34

What are India's SEVEN SHORT RANGE **Surface-to Surface Missiles**?

Answer 34

1. Prithvi-I - 150km 2. Prithvi-II - 250 km, 3. Prithvi-III - 350 km 4. Dhanush - 350 km 5. Agni - I - 700 km 6. Shaurya - 700 km 7. Prahaar - 150 km

Question 35

What are the THREE India's **Intermediate Range Ballistic Missiles**?

Answer 35

Agni II (2000km) Agni III (3000 km) Agni IV (4000 km)

Question 36

THREE Inter Continental Ballistic Missiles (**ICBM**s)

Answer 36

* **Agni V** (5000 km) * **Agni VI** (6000 km) Under development * **Surya** (10,000 km) Under development

Question 37

India's FOUR Short Range **Surface-to-Air** Missiles

Answer 37

Trishul (9 km), Akash (30 km), Maitri (15 km), Barak - 8 (70 m)

Question 38

THREE types of **Cruise Missiles** in India and Examples of each

Answer 38

1. Subsonic - NIRBHAY (750-100 km) 2. Supersonic - BRAHMOS (290 km) 3. Hypersonic - BRAHMOS II (290 km)

Question 39

What is the name of India's **AIR-TO-AIR Missile**?

Answer 39

Astra (80-110 km)

Question 40

Name TWO **Anti-Tank Guided missiles** of India

Answer 40

NAG - 7 km range and HELLNA (Helicopter launched NAG missile)

Question 41

India's THREE **Anti Ballistic Missiles**?

Answer 41

1. **PRITHVI Air defence missile** which is Exo-atmospheric at 50-80 km altitude (proximity missile) 2. **PRITHVI Defence Vehicle** which is Exo atmospheric at 120 km altitude (proximity missile) 3. **Advanced Air Defence Missile** with a 150-200 km Hit to Kill range and is only endo atmospheric at 15-30 km altitude.

Question 42

Name TWO **Submarine launched ballistic missiles** in India

Answer 42

**K-15 Sagarika** with a range of 750 km **K-4** with a range of 3000 km