Maharashtra SSC Defence Studies Grade key terms

The condition in which a country protects its people, territory, economy and institutions from external attack and internal disorder, using military, diplomatic and civil means together.

Protection of a nation from threats inside its own borders, such as terrorism, insurgency, communal violence and organised crime, usually handled by police and paramilitary forces.

The strategy of discouraging an adversary from attacking by maintaining credible military strength and the visible willingness to use it if provoked.

A unified military structure in which army, navy and air force units in one geographical area serve under a single commander, so that all services plan and fight together.

The senior-most uniformed officer who advises the government on military matters and promotes jointness among the three services, though without commanding troops directly.

The head of one armed service, such as the Chief of the Army Staff, who commands that service and advises the government on its employment and administration.

A holder of a President's commission who commands troops and holds authority by rank, entering service through academies such as NDA, IMA, OTA or equivalent naval and air academies.

A senior non-commissioned rank in the Indian Army, such as Subedar or Naib Subedar, promoted from the ranks and holding limited command and disciplinary authority over soldiers.

The basic soldier rank in the Indian Army infantry, the entry level from which promotions lead to Naik, Havildar and then junior commissioned ranks.

Armed forces other than the regular army, navy and air force, such as the Border Security Force and Central Reserve Police Force, which guard borders and maintain internal order.

The de facto boundary between Indian and Pakistani administered areas of Jammu and Kashmir, monitored by troops and often tense, but not an internationally recognised border.

The effective boundary between Indian and Chinese controlled territory in the Himalayan region, not formally demarcated, along which patrols and standoffs occur.

A place whose geography gives military or economic advantage, such as a mountain pass, strait, island or port, making control of it important in war and diplomacy.

The sea area up to 200 nautical miles from a coast where a country has special rights to explore and use marine resources, while other states keep navigation rights.

A maritime service that protects a country's coast and waters, enforcing law, saving lives at sea and guarding fisheries and offshore assets rather than fighting wars.

The process of binding people of different regions, religions, languages and castes into one nation with shared loyalty, mutual respect and equal citizenship.

A political outlook that treats religious community identity as the main basis of public life and sets communities against each other, weakening national unity and social peace.

The constitutional principle that the state has no official religion, treats all faiths equally and protects every citizen's freedom of belief and worship.

The obligations listed in Article 51A of the Indian Constitution, including respecting the Constitution, the national flag and anthem, and defending the country when called upon.

Loyalty and devotion to one's country, shown through responsible citizenship, respect for national symbols and readiness to serve the nation's interests above personal gain.

Organised measures to protect civilians in war or emergency, including air-raid warnings, shelters, blackouts, rescue work and care of injured and displaced people.

The planned cycle of prevention, preparedness, response and recovery that reduces the harm caused by natural or man-made disasters to life, property and infrastructure.

The repeating sequence of mitigation, preparedness, response and recovery phases that guides how authorities and communities act before, during and after a disaster.

The National Disaster Response Force, a specialised central force trained and equipped to rescue people and manage relief during floods, earthquakes, building collapses and similar disasters.

Immediate, temporary care given to an injured or ill person before professional medical help arrives, aimed at preserving life, preventing worsening and promoting recovery.

Cardiopulmonary resuscitation, a lifesaving technique of repeated chest compressions with rescue breaths given to a person whose heart has stopped, to keep blood and oxygen circulating.

A safe side-lying posture for an unconscious but breathing casualty that keeps the airway open and lets fluids drain, reducing the risk of choking.

A cloth triangle used in first aid as a sling for arm injuries, as a covering for head wounds or folded as a tie for securing dressings.

A sterile pad attached to a bandage, carried by soldiers and used to cover a wound quickly in the field to control bleeding and prevent infection.

Daily habits such as bathing, oral care, clean clothing and handwashing that keep the body healthy and prevent the spread of infection among individuals and groups.

Safe management of human waste, waste water and refuse through toilets, drainage and disposal systems, essential for preventing disease in camps and communities.

The process of making water safe to drink by boiling, filtering, chlorination or other methods that remove or kill germs and harmful substances.

The ability to carry out daily tasks and physical challenges with energy and without undue fatigue, built through exercise, endurance running, strength work and adequate rest.

The capacity to keep working or exercising for a long time, developed by sustained activities such as distance running, swimming and marching.

The disciplined practice of marching, forming up and executing words of command in unison, which builds alertness, teamwork, posture and instant obedience to orders.

The spoken order in drill, made of a cautionary part that warns and an executive part that is acted on, used to move a squad or parade smartly and together.

The skill of interpreting a map's scale, symbols, grid and contours to find direction, distance and terrain features, and to locate one's own position on the ground.

A line on a map joining points of equal height above sea level, whose spacing and shape reveal slopes, hills, valleys and the steepness of the ground.

A set of numbers read from a map's grid lines, giving eastings before northings, that pinpoints a location to a square or a more precise point.

Firearms carried and fired by individuals, such as rifles, carbines, pistols and light machine guns, forming the basic weaponry of infantry soldiers.

The indigenous 5.56 mm assault rifle family developed in India and used by the armed forces, firing in single shots or bursts from a magazine.

The expendable items fired by weapons, such as cartridges and shells, consisting of a projectile, propellant and primer packaged for loading into a gun.

A nuclear force structure able to deliver weapons from land-based missiles, submarines and aircraft, making retaliation possible even after a surprise first strike.

The Defence Research and Development Organisation, India's agency for designing and developing military technology, from missiles and radars to protective equipment and combat vehicles.

A government-owned defence company such as HAL, BEL or BEML that manufactures aircraft, electronics, vehicles and other military equipment for the armed forces.

The policy of designing and producing defence equipment within the country to reduce dependence on foreign suppliers and to secure supplies during conflict.

The National Defence Academy at Khadakwasla, where cadets of all three services train together for three years before going on to service-specific academies.

The Services Selection Board procedure of psychological tests, group tasks and personal interview used to assess a candidate's suitability for a commission in the armed forces.

A soldier recruited under the short-service Agnipath scheme for a fixed four-year term, after which a proportion is retained in regular service.