Formation and Structure of Indian Army

Battalion, battery, brigade, company, platoon and regiment these are the parts of military unit. They are divided in different group or sub units and draw a flowchart for understanding all units.

Platoon-> Company-> Battalion->Regiment->Brigade-> Division-> Corps


This is the military units composed of two or more squads or sections, normally under the command of a lieutenant. A platoon is made up of about 20 or 50 soldiers. Generally commanded by a Lieutenant. A platoon is typically the smallest military unit led by a commissioned officer.


In the 17th century the term referred to a small body of musketeers who fired together in a volley alternately with another platoon, and it has always retained some sense of systematic alternate employment.Hence “platoon fire” meant a regulated fire of alternating platoon volleys, and “platoon” sometimes referred to the volley itself. In the 18th century, battalions were often organized for tactical purposes into 16 platoons of about 24 men each, plus 2 or 4 platoons of grenadiers or light infantry.

The “platoon system” in municipal police and U.S. baseball and gridiron-football organizations signifies the use of two or more shifts or teams of comparable strength that alternate on duty. An intermediate between a company and section, a platoon is headed by a Captain or Lieutenant, or depending on the availability of commissioned officers, even a junior commissioned officer (Subedar).


The company is a military unit, generally consisting of 80–150 soldiers and usually commanded by a major or a captain. Most companies are formed of 3 to 6 platoons, although the exact number may vary by country, unit type, and structure. Every Country create typically military units and made with 3 or 6 platoons it means the total 150 soldiers live in company and this is under of major or captain. Usually several companies are grouped as a battalion or regiment, the latter of which is sometimes formed by several battalions. Occasionally, independent or separate companies are organized for special purposes. These companies are not organic to a battalion or regiment, but rather report directly to a higher level organization such as a Marine Expeditionary Force headquarters.


The modern edge military organization progressed toward becoming advanced amid the redesign of the Swedish Army in 1631 under King Gustav II Adolph. For authoritative purposes, the infantry was partitioned into organizations comprising of 150 men, assembled into regiments of eight organizations. Strategically, the infantry organizations were composed into regiments and gathered with rangers troops and big guns batteries to shape units.

Weapons company

A weapons company has in place of the three rifle platoons, an 81 mm mortar platoon, an anti-armor platoon, and a heavy machine gun platoon.
Headquarters and Service Company

• Communications Platoon, consisting of Radiomen, Wiremen, Techs, Data Marines, and the associated staff.
• Restorative Platoon, which incorporates the majority of the Navy medicinal staff for the rifle organizations and the Battalion Aid Station (BAS). The recompense of 65 emergency clinic corpsmen and two Medical Corps officers (specialists) is generally not totally staffed. All things considered, the BAS typically handle one specialist and 10– 12 medical clinic corpsmen. The rest of the staff are appointed to the rifle organizations, normally five clinic corpsmen per organization.

• Headquarters Platoon consists of Marines from S-1, S-2, S-3, the Nuclear, Biological, Chemical Defense section, and the Chaplain section (one Navy chaplain and an enlisted religious program specialist).

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A battalion is a military unit. The battalion is made up of 3 or 5 Comapanies. Generally commanded by a Lieutenant Colonel or a Colonel. The utilization of the expression “brigade” fluctuates by nationality and part of administration. Commonly a brigade comprises of 300 to 800 fighters and is partitioned into various organizations. A brigade is normally directed by a lieutenant colonel. In a few nations brigade is related with the infantry. A Battalion is commanded by a Colonel and is the Infantry’s main fighting unit. It consists of more than 800 combat personnel.


The Bear Battalion was established at Morgan State College in 1948 by the president of the college, Dr. Martin Jenkins. It is one of the only four Senior Army ROTC host programs in the state of Maryland. Originally affiliated with the Infantry Branch, it is now affiliated with the Ordnance Branch. The first two years of ROTC was mandatory for all male students. During the 1972-1973 school year, the Army for the first time authorized enrollment of women in ROTC.

Independent operations

A legion is the littlest military unit fit for constrained autonomous operations meaning it incorporates an official, staff with a help and administrations unit. The legion must have a wellspring of re-supply to empower it to continue activities for in excess of a couple of days. This is on the grounds that a contingent’s supplement of ammo, extra weapons (e.g., hand projectiles and dispensable rocket launchers), water, proportions, fuel, oils, new parts, batteries, and restorative supplies ordinarily comprises of just what the regiment’s officers and the brigade’s vehicles can convey.

In addition to sufficient personnel and equipment (usually at least two primary mission companies and one mission support company) to conduct operations, as well as a limited administrative and logistics capability, the commander’s staff coordinates and plans operations. A battalion’s subordinate companies and their platoons are dependent upon the battalion headquarters for command, control, communications, and intelligence, and the battalion’s service and support structure.


Regiment, in many armed forces, a group of troops headed by a colonel and composed for strategic control into organizations, legions, or squadrons. French rangers units were called regiments as right on time as 1558. The word is gotten from the Latin routine, a standard or arrangement of request, and portrays the regiment’s elements of raising, preparing, and preparing troops. As a regiment obtained independence, hues, ensign, particular uniform and emblem, and accomplishments in fight, it likewise turned into a focal object of reliability, pride, and esprit de corps of its warriors.

In India, Regiment is of two Types :-

Battalion sized units:- Armoured Corps, Artillery , Engineers , Signals and other units which work behind the action.

Infantry Regiment:- They are the regiments which are in action and who are famous all over
Lets see the Infantry regiment that are active in the Indian Army (In order of precedence) and their headquarters.

• Rajputana Rifles – Delhi cantonment
• Rajput Regiment- Fatehgarh,UP
• Dogra Regiment – Faizabad, UP
• Sikh Regiment- Ramgarh cantonment, Jharkhand
• Jat regiment – Bareilly , UP
• Brigade of the guards- Kamptee, Maharashtra
• Parachute Regiment- Bengaluru, Karnataka
• Mechanized infantry regiment- Ahmednagar, Maharashtra
• Punjab Regiment- Ramgarh, Jharkhand
• The Grenadiers- Jabalpur, Madhya Pradesh
• Sikh Light Infantry- Fatehgarh , UP
• Maratha Light Infantry- Belgaum, Karnataka
• The Garhwal Rifles- Landsdowne, Uttarakhand
• Kumaon Regiment- Ranikhet , Uttarakhand
• Assam Regiment- Shillong , Meghalaya
• Bihar Regiment- Danapur, Bihar
• Mahar Regiment- Saugor, Madhya Pradesh
• Jammu and Kashmir Rifles Jabalpur, Madhya Pradesh
Jammu and Kashmir Light Infantry- Avantipur , Jammu and Kashmir
• Naga Regiment
• Gorkha Rifles- Sabathu, Himachal Pradesh
• Gorkha Rifles- Varanasi, UP
• Gorkha Rifles- Sabathu, Himachal Pradesh
• Gorkha Rifles- Shillong, Meghalaya
• Gorkha Rifles- Shillong, Meghalaya
• Gorkha Rifles- Varanasi, UP
• Gorkha Rifles- Lucknow, Utttar Pradesh


A brigade is a major tactical military formation that is typically composed of 3 to 6 battalions plus supporting elements. It is roughly equivalent to an enlarged or reinforced regiment. Two or more brigades may constitute a division. Brigade were extremely important a century and a half ago, and maybe even right up until. During the American Civil War, the regiment was the basic unit of maneuver infantry, consisting of around 800 soldiers and commanded by a Colonel. 2-5 regiments made up a brigade, which was commanded by a Brigadier General. When you look at maps of Civil War battles, regiments are the smallest units you’re likely to see. A brigade is made up of 3 or 6 Battalions. Generally commanded by a Brigadier.


The Brigade as a military unit came about beginning in the fifteenth century when the British armed force and civilian army built up a unit to control more than one infantry regiment or mounted force squadron. Previously each regiment, legion, rangers squadron, or big guns battery worked fairly freely, with its very own field officer (i.e., colonel, lieutenant colonel, or major) or battery leader announcing straightforwardly to the field power or “armed force” authority. In that capacity a “field armed force” ended up bigger, the quantity of subordinate administrators wound up unmanageable for the officer as a rule order of the said armed force, for the most part a noteworthy general, to successfully direction. So as to streamline order connections, just as impact some small amount of strategic control, particularly concerning consolidated arms tasks a halfway dimension of direction ended up clear.


A division is a substantial military unit or arrangement, for the most part comprising of somewhere in the range of 10,000 and 20,000 fighters. Infantry divisions amid the World Wars went somewhere in the range of 8,000 and 30,000 in ostensible strength.ame apparent. A division is made up of 3 or 5 Brigades. Generally commanded by a Major General.

The division is the Army’s largest tactical organization that trains and fights as a combined arms team. It is a self-sustaining force capable of independent operations. The division is composed of varying numbers and types of combat, combat support, and combat service support units. The mix and types of combat units determine whether a division is armored, mechanized, infantry light infantry, airborne, or air assault.

Divisions are fixed joined arms associations of eight to 11 move forces, three to four field cannons brigades, and other battle, battle backing, and battle administration bolster units. They are fit for playing out any strategic mission and intended to be to a great extent self-continuing. Divisions are the fundamental units of move at the strategic dimension and have incredible adaptability. They tailor their units and connected powers for explicit battle missions.


The first war in which the divisional framework was utilized methodicallly was the French Revolutionary War. Lazare Carnot of the Committee of Public Safety, who was responsible for military undertakings, arrived at indistinguishable decision about it from the past illustrious government, and the military was composed into divisions. It made the armed forces increasingly adaptable and simple to move, and it likewise made the extensive armed force of the unrest sensible. Under Napoleon, the divisions were assembled together into corps, on account of their expanding size. Napoleon’s military achievement spread the divisional and corps framework all over Europe; before the finish of the Napoleonic Wars, all militaries in Europe had embraced it.

The divisional framework achieved its numerical tallness amid the Second World War. The Soviet Union’s Red Army comprised of in excess of a thousand divisional-measure units at any one time, and the complete number of rifle divisions raised amid the Great Patriotic War is assessed at 2,000. Nazi Germany had several numbered as well as named divisions, while the United States utilized 91 divisions, two of which were disbanded amid the war.

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A corps is comprised of 3 or 4 Divisions. For the most part instructed by a Lieutenant General. The Indian Army’s battle arrangements are currently assembled and customized under numerous such Corps Headquarters (with a few powers being held under static Area Commands). Likewise with the American Army, all Corps have numerical assignments. They likewise have names, by which they are all the more generally known.

These names may derive from the city in which they are headquartered (XVI Corps / Nagrota Corps) or they may be evocative IV Corps is Gajraj Corps, meaning King Elephant.

The allocation of specific divisions to Corps is not well attested in the open literature, but such attestations as are available are in considerable agreement. These is some dispute as to whether I Corps is assigned 33 Armored Division (at Hisar, Hissar, Haryana) or 31 Armored Division (at Jhansi, Uttar Pradesh), but geographical propinquity argues for the former.

A corps has Army divisions under its command. The Corps HQ is the highest field formation in the army.

  1. Central Command (headquartered at Lucknow, Uttar Pradesh )
    I Corps: Currently assigned to South Western Command.
  2. Eastern Command (headquartered at Kolkata, West Bengal)
    • 23rd Infantry Division headquartered at Ranchi
    • III Corps, headquartered at Dimapur, Nagaland
    • IV Corps, headquartered at Tezpur, Assam
    • XXXIII Corps, headquartered at Siliguri, West Bengal
  3. Northern Command (headquartered at Udhampur, Jammu and Kashmir)
    • XIV Corps, headquartered at Leh, Jammu and Kashmir
    • XV Corps, headquartered at Srinagar, Jammu and Kashmir
    • XVI Corps, headquartered at Nagrota, Jammu and Kashmir
  4. Southern Command (headquartered at Pune, Maharashtra)
    • 41st Artillery Division, headquartered at Pune, Maharashtra
    • XII Corps, headquartered at Jodhpur, Rajasthan
    • XXI Corps, headquartered at Bhopal, Madhya Pradesh
  5. South Western Command (headquartered at Jaipur, Rajasthan)
    • 42nd Artillery Division headquartered at Jaipur
    • I Corps, headquartered at Mathura, Uttar Pradesh
    • X Corps, headquartered at Bhatinda, Punjab
  6. Western Command (headquartered at Chandimandir)
    • 40th Artillery Division headquartered at Ambala
    • II Corps, headquartered at Ambala, Haryana
    • IX Corps, headquartered at Yol, Himachal Pradesh
    • XI Corps, headquartered at Jalandhar, Punjab
  7. Training Command (headquartered at Shimla, Himachal Pradesh)

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