Indian Defence and Strategic Weapons

AGNI is India's family of long-range ballistic missiles developed by DRDO, capable of delivering nuclear warheads over distances ranging from 700 km to 5,000+ km.

India's first nuclear test, codenamed Operation Smiling Buddha, was conducted on 18 May 1974 at Pokhran, Rajasthan. This made India the sixth nation to conduct a nuclear test. The test was supervised by Raja Ramanna.

Lakshya is a pilotless target aircraft developed by India's DRDO (Defence Research and Development Organisation). It is used for aerial target practice and is remotely controlled, making it India's indigenous pilotless missile system. The other options (Agni, Akash, Trishul) are all manned missile systems.

INS Arihant is India's first indigenous nuclear-powered submarine. The name means 'destroyer of enemies' in Sanskrit. It was launched in 2009 and commissioned in 2016.

The Brahmos missile has a range of approximately 290 km in its standard configuration. This supersonic cruise missile was developed jointly by India and Russia and has been in service since 2006.

The Kargil War was fought between India and Pakistan from May to July 1999. The conflict occurred in the Kargil district of Kashmir and along the Line of Control (LOC). It was a major military conflict in the mountainous terrain of Kashmir.

HAL's Dhruv is an advanced multi-role light helicopter designed and developed indigenously by Hindustan Aeronautics Limited. Tejas is a light combat aircraft (also by HAL), Lakshya is a target drone, and both are aircraft, not helicopters. The question specifically asks for a helicopter.

Correct option is (2). 

The correct answer is 'Prithvi'. The Prithvi missile was the first missile inducted into the Indian Army (in the 1990s). It is a short-range ballistic missile. Agni is a longer-range missile developed later, Seabird is not a missile system, Pinaka is a multiple rocket launcher system, and Trishul is a surface-to-air missile.

The correct answer is '9km'. Trishul is a short-range surface-to-air missile (SAM) developed by India's DRDO. It was designed to engage aerial threats at short ranges, with an operational range of approximately 9 kilometers. It was part of India's integrated guided missile development program.

Prithvi II is a short-range ballistic missile developed by DRDO with an operational range of approximately 250-350 km. Option D (250 km) is correct as it falls within this range. The other options (200, 500, 750, 1000 km) are outside the actual operational specifications of Prithvi II.

INS Arihant, launched in 2009, is India's first indigenously built nuclear-powered submarine. It marks a significant milestone in India's defense capabilities and nuclear deterrence. INS Chakra was a leased Soviet submarine, while INS Virat and INS Vikrant are aircraft carriers, not submarines.

Trishul is India's short-range surface-to-air missile system developed by DRDO as part of the Integrated Guided Missile Development Program. It's designed for air defense against low-flying aircraft and helicopters. Agni is a ballistic missile, Seabird is a naval base project, Pinaka is a rocket artillery system, and Prithvi is a surface-to-surface ballistic missile.

INS Shalki, commissioned in 1992, was the first submarine to be built in India at Mazagon Dock Limited. It was constructed based on technology transfer from Germany. INS Chakra was on lease from the Soviet Union, while INS Virat and INS Vikrant are aircraft carriers, not submarines.