Expected Questions in Defence 2019 – IAS/NET (Part-1) - (Set 1) (Download PDF)


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Please find below the most important expected topics for the upcoming UPSC Prelims exam 2019. Subscribe@Examrace YouTube Channel to get the complete series of expected questions. For practice and solutions visit - doorsteptutor. com. You can download the pdf by clicking the option “Download PDF”.

Advanced Towed Artillery Gun System (ATAGS)

  • Indigenously-designed heavy artillery gun
  • Developed by Defence Research and Development Organisation (DRDO)
  • Gun has several significant features including an all-electric drive, high mobility, quick deployability, auxiliary power mode, advanced communications system, automated command & control system.
  • It sports a 6-round magazine instead of standard 3-round magazine
  • Army, which is seeking to modernise its weaponry, recently inducted its 1st modern pieces of artillery in 30 years: M777 Ultra-Light Howitzer from U. S. & K9 Vajra-T self-propelled artillery gun from South Korea.
  • Armament system of ATAGS mainly comprises a barrel, muzzle brake, breech mechanism & recoil mechanism to fire 155 mm calibre ammunitions.
  • It has a longer firing range of 40 Kms w/accuracy & precision & provides greater fire power. It has night firing capability in direct fire mode.

BrahMos and US made M777 guns

  • Short range ramjet supersonic cruise missile can be launched from submarines, ships, aircraft or land
  • It is a joint venture b/w Russian Federation’s NPO Mashinostroeyenia & India’s DRDO who have together formed BrahMos Aerospace Private Limited.
  • Brahmos is world class weapon w/multi-platform, multi-mission role.
  • It is a joint venture b/w India & Russia & named after Brahmaputra & Moscow rivers.
  • It is capable of being launched from land, sea & air, completing tactical cruise missile triad for India.
  • Land & sea variants of Brahmos are operational w/Army & Navy.
  • It has a strike range of around 290 km & is described as world’s fastest supersonic cruise missile.
  • In November 2016, India signed a deal w/U. S. govt. under Foreign Military Sales (FMS) programme for 145 M777 guns at a cost of $737 million.

National Advanced Surface-to-Air Missile System (NASAMS)

  • India is in talks w/U. S. to procure advanced air defence system, called National Advanced Surface-to-Air Missile System-II (NASAMS-II). It will be used to defend National Capital Region (NCR) from aerial attacks.
  • NASAMS system will complement other systems such as medium & long-range surface-to-air missile (SAM) systems under procurement.
  • India is in advanced stage of talks w/Russia for procurement of very long range S-400 air defence systems.
  • India is developing indigenous Ballistic Missile Defence (BMD) system.
  • NASAMS-II is upgraded version of NASAMS developed by Raytheon in partnership w/KONGSBERG Defence & Aerospace of Norway.
  • It features new 3D mobile surveillance radars & 12 missile launchers for quicker reaction.
  • NASAMS-II is highly adaptable mid-range solution for any operational air defence requirement.
  • NASAMS-II is armed w/3D Sentinel radars, short & medium-range missiles, launchers, fire-distribution centers & command-and-control units to quickly detect, track & shoot down multiple airborne threats. It is part of air defence network guarding US capital city Washington DC. It is deployed in several NATO countries.

Long-Range S-400 Triumf

  • India has decided to purchase S-400 Triumf long-range air defence system from Russia.
  • S-400 ‘Triumf’ long-range air defence missile system is one of most advanced long range defence systems in world.
  • It can destroy incoming hostile aircraft, stealth fighters, missiles & drones at ranges of up to 400-km. It is referred to as SA-21 Growler by NATO.
  • India will be 2nd export customer, after China to purchase this most advance defence system.
  • It is upgraded version of S-300 defence system & is manufactured by Almaz-Antey. It is in service in Russia since 2007.
  • It is capable of firing 3 types of missiles. Thus, it creates a layered defence, & simultaneously engaging 36 targets.

Defence Acquisition Council and ‘Buy (Indian) IDDM’ category

  • DAC has approved procurement of high powered radars for Indian Air Force & air cushion vehicles for Army & Coast Guard together worth over ₹5,500 cr. 12 high power radars will be procured indigenously under ‘Buy (Indian) IDDM’ category.
  • ‘Indian (Designed, Developed and Manufactured) ‘, or Buy (IDDM), this category replaces ‘Buy (Indian) ’ as most preferred category in hierarchical order of procurement categories.
  • Hierarchy of categories consists of ‘Buy and Make (Indian) ‘, ‘Buy and Make’, and ‘Buy (Global) ‘, in that order.
  • ‘Buy (IDDM) category is devised to encourage indigenisation of defence products.

Defence Acquisition Council (DAC):

  • To counter corruption & speed up decision- making in military procurement, GoI in 2001 decided to set up an integrated DAC. Headed by Defence Minister.
  • Objective is to ensure expeditious procurement of approved requirements of Armed Forces, in terms of capabilities sought & time frame prescribed, by optimally utilizing allocated budgetary resources.
  • DAC is responsible to give policy guidelines to acquisitions, based on long-term procurement plans. It clears all acquisitions, which includes both imported & those produced indigenously or under a foreign license.

Coordinated Patrol (CORPAT)

India & Bangladesh have agreed to institute Coordinated Patrol (CORPAT) as annual exercise b/w navies of 2 neighbouring countries.

Aim Navy Chief’s visit was to consolidate bilateral defence relations b/w India & Bangladesh & to explore new avenues for naval cooperation.

Key Facts

  • 1st edition of joint patrol exercise CORPAT was held under military cooperation of both countries.
  • It saw participation of 4 maritime patrol aircraft, 2 from Bangladesh Navy & 2 from Indian navy & 4 frigates, 2 from Bangladesh Navy (BNS Dhaleswari & BNS Abu Bakar) & 2 from Indian navy (INS Kadmatt & INS Satpura).
  • During joint patrol, naval forces of both countries shared information thru naval communication & understanding.
  • Warships & patrol aircraft jointly patrolled from Bangladesh’s sea territory & sailed towards Indian waters in Bay.


  • Joint patrol will help to curb maritime crimes, including militancy in sea & stop various sea crimes like smuggling & piracy in Bay of Bengal.
  • At present, both naval forces are patrolling their respected water territories round-the-clock on individual purpose.


  • CORPAT exercise b/w navies carries out search & rescue operations, institutes measures for vessels indulged in unlawful activities &control pollution.
  • Naval cooperation b/w India & Bangladesh is traditionally strong & encompassed wide span which includes operational interactions thru port calls, passage exercises along with capacity building, capability enhancement & training initiatives.

- Published/Last Modified on: May 27, 2019


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