61. AUSINDEX 2025 is a bilateral exercise held between India and which country?
[A] Vietnam
[B] Australia
[C] Japan
[D] Indonesia
Show Answer
Correct Answer: B [Australia]
Notes:
Indian Naval Ship (INS) Sahyadri took part in the bilateral maritime exercise AUSINDEX 2025 in the Northern Pacific. AUSINDEX is held between India and Australia and has been conducted biennially since 2015. Aim of the exercise is to boost interoperability and strengthen the strategic partnership between both maritime nations. Warships and aircraft of both navies carried out joint operations including anti-submarine warfare, gunnery drills, and advanced flying operations. INS Sahyadri participated from India and HMAS Ballarat participated from Australia.
62. What is the name of the fourth ship of the Nilgiri Class (Project 17A) delivered to the Indian Navy in November 2025?
[A] INS Nilgiri
[B] INS Shivalik
[C] INS Taragiri
[D] INS Kaveri
Show Answer
Correct Answer: C [INS Taragiri]
Notes:
Taragiri (Yard 12653), the 4th Nilgiri Class ship under Project 17A, was delivered to the Indian Navy on 28 November 2025 at Mazagon Dock Shipbuilding Limited, Mumbai. It shows major progress in Aatmanirbhar Bharat (Self-reliant India) in warship construction. It revives the legacy of the old INS Taragiri (1980–2013). It was designed by the Warship Design Bureau (WDB) with high stealth, automation, survivability and firepower.
63. C-130J Super Hercules aircraft is developed by which country?
[A] United States
[B] France
[C] Germany
[D] Australia
Show Answer
Correct Answer: A [United States]
Notes:
A new Maintenance, Repair, and Overhaul (MRO) facility will be set up in Bengaluru to support the C-130J Super Hercules aircraft, boosting India’s defence self-reliance. The C-130J Super Hercules is a four-engine turboprop military transport aircraft developed by Lockheed Martin of the United States of America (USA). It is the principal tactical cargo and personnel transport aircraft of the United States Air Force (USAF) and is the latest variant of the C-130 Hercules. The aircraft can operate from rough and dirt airstrips and is used for airdroppping troops and equipment in hostile areas.
64. Exercise Ekatha is an annual bilateral maritime exercise between India and which country?
[A] Maldives
[B] Singapore
[C] Bangladesh
[D] Sri Lanka
Show Answer
Correct Answer: A [Maldives]
Notes:
Exercise Ekatha 2025 was held in Maldives from 15–17 December 2025. Exercise Ekatha, established in 2017, is an annual bilateral maritime exercise, conducted between the Indian Navy and the Maldives National Defence Force (MNDF). The 8th edition focused on interoperability and operational synergy through technical/combat diving, boarding operations, firing drills, demolition, explosive handling, asymmetric warfare, and special heli-borne drills.
65. AH-64E Apache attack helicopter was developed by which country?
[A] France
[B] Germany
[C] United States
[D] India
Show Answer
Correct Answer: C [United States]
Notes:
Indian Army received the last 3 AH-64E Apache attack helicopters, completing a fleet of 6, based at 451 Army Aviation Squadron, Jodhpur (Rajasthan). AH-64E Apache, also called Apache Guardian, is the most advanced multi-role combat helicopter in the world. It performs advanced reconnaissance, precision strikes, and close air support missions. It was developed by the United States. AH-64E is the latest and most upgraded version used by the United States Army.
66. Exercise DESERT CYCLONE–II is a joint military exercise between India and which country?
[A] Saudi Arabia
[B] Qatar
[C] United Arab Emirates
[D] Oman
Show Answer
Correct Answer: C [United Arab Emirates]
Notes:
The Indian Army has joined the United Arab Emirates (UAE) for the Joint Military Exercise DESERT CYCLONE-II in Abu Dhabi. The exercise is conducted from 18 to 30 December 2025. Exercise DESERT CYCLONE-II is conducted between India and the United Arab Emirates (UAE). The exercise aims to enhance interoperability and defence cooperation between both armies through joint training in an urban environment. The focus is on sub-conventional operations under a United Nations mandate, enabling cooperation in peacekeeping, counter-terrorism, and stability missions.
67. What is the name of the first Pollution Control Vessel (PCV) recently inducted by the Indian Coast Guard at Goa Shipyard Limited?
[A] Samudra Rakshak
[B] Samudra Pratap
[C] Samudra Shakti
[D] Samudra Jyoti
Show Answer
Correct Answer: B [Samudra Pratap]
Notes:
The Indian Coast Guard (ICG) inducted its first Pollution Control Vessel (PCV), Samudra Pratap, at Goa Shipyard Limited (GSL). Samudra Pratap is the first indigenously designed and built PCV of the ICG. The vessel was formally delivered during an induction ceremony. It is equipped with a 30 millimetre CRN-91 gun and two 12.7 millimetre stabilised remote-controlled guns with integrated fire control systems. The vessel has over 60% indigenous content, supporting Atmanirbhar Bharat and Make in India initiatives. Samudra Pratap will aid marine pollution control, maritime law enforcement, search and rescue, and protection of India’s Exclusive Economic Zone.
68. K-4 missile is developed by which organization?
[A] Hindustan Aeronautics Limited
[B] Indian Space Research Organisation
[C] Bharat Electronics Limited
[D] Defence Research and Development Organisation
Show Answer
Correct Answer: D [Defence Research and Development Organisation]
Notes:
India recently tested the K-4 missile, an intermediate-range, nuclear-capable submarine-launched ballistic missile (SLBM), from the nuclear-powered submarine INS Arighaat in the Bay of Bengal. K-4 is 12 metres long, weighs 17 tonnes, and uses a two-stage solid-fuel system. It has a range of 3,500 km, a significant upgrade over the older K-15 missile (range 750 km). Each Arihant-class submarine can carry four K-4 missiles. It can carry a payload of up to 2 tonnes, including a nuclear warhead. It is developed indigenously by the Defence Research and Development Organisation (DRDO).
69. The salvo launch of Pralay missiles was conducted by which organisation?
[A] Indian Space Research Organisation (ISRO)
[B] Defence Research and Development Organisation (DRDO)
[C] Indian Navy
[D] Bharat Electronics Limited
Show Answer
Correct Answer: B [Defence Research and Development Organisation (DRDO)]
Notes:
Defence Research and Development Organisation (DRDO) successfully conducted a salvo launch of two Pralay missiles from the same launcher off Odisha coast. The test was part of user evaluation trials by Indian Air Force and Indian Army. Both missiles followed the planned trajectory and met all flight objectives. Tracking was done by Integrated Test Range (ITR), Chandipur and onboard telemetry systems. Pralay is an indigenously developed solid-propellant quasi-ballistic missile with high-precision guidance. It can carry different warheads for multiple target types. The missile was developed by Research Centre Imarat, Hyderabad with other DRDO labs.
70. What is the name of the US military aircraft widely known as the “Doomsday Plane”?
[A] B-2 Spirit
[B] Boeing E-4B Nightwatch
[C] C-17 Globemaster
[D] F-22 Raptor
Show Answer
Correct Answer: B [Boeing E-4B Nightwatch]
Notes:
The Boeing E-4B Nightwatch, also called the US military’s “Doomsday Plane,” recently made a rare appearance in Los Angeles, causing panic amid high geopolitical tensions. It is the most secretive aircraft in the US military and serves as the National Airborne Operations Center. The plane functions as a flying command post to keep the US government operational during extreme scenarios like nuclear war or destruction of ground command centers. Its mission is to ensure government continuity even in “doomsday” situations. The E-4B is a key part of the Nuclear Command, Control, and Communications system (NC3), allowing senior leaders to manage nuclear forces under all conditions.