An Admiral of the fleet is a military naval officer of the highest rank. In many nations, the rank is reserved for wartime of ceremonial appointments. It is usually a rank above admiral (which is now usually the highest rank in peace-time for officers in active service) and is often held by the most senior admiral of an entire naval sevice.

Koodan-Kulam Nuclear Power Plant (KKNP) is associated with Russia, which is located in Tirunelveli district of Tamil Nadu. KKNP is Indias first pressurised water reactor belonging to the light water category.

Astra is an active radar homing Beyond Visual Range Air to Air Missile (BVRAAM) developed by the Defence Research and Development Organisation (DRDO) India.

Barak is an Indo-lsraeli Surface to Surface Missile, designed to defend against aircraft, anti-ship missiles and UAVS.

Trishul is the name of a short range surface to air missile developed by India as a part of the Integrated Guided Missile Development Programme. It has a range of 9 km and is fitted with a 5.5 kg warhead. Trishul flies in supersonic speed and has a low altitude sensitive radio altimeter and height lock loop control on board, to skim over the sea at a very low altitude and hit against sea skimming missiles coming towards our ships.