
List of regiments of the Indian Army

This article lists the regiments of the Indian Army, including the various corps of supporting arms and services.
History.
Historic list of regiments.
The following old lists in this section have been replaced by the present list provided in the subsequent sections:
Regiments.
Artillery.
In the Regiment of Artillery the battalion-sized units are referred to as regiments, a point of confusion on occasion. These units are equipped and named based on their type of equipment. There are two types of units. The majority are regiments that have weapons as their equipment, such as missiles, rockets, field guns, medium guns or mortars. The second type of regiment are those that have mission support equipment, such as UAVs, drones, surveillance radars, weapon locating radar etc.
Weapon equipped units.
Weapon-equipped units of the Regiment of Artillery are listed below:
SATA units.
Units of the Regiment of Artillery that have equipment other than weapons are listed below. These units mainly have Surveillance and Target Acquisition (SATA) equipment, Surveillance and target acquisition is a military role assigned to units and/or their equipment. It involves watching an area to see what changes (surveillance) for the purpose of enemy field artillery acquisition , then the acquisition of targets based on that information, and example of their equipment include Counter-battery radar (CoBRa) and Unmanned aerial vehicles (UAVs) (see also
Mobile Artillery Monitoring Battlefield Asset (MAMBA)).
Corps of Army Air Defence.
The list of army air defence regiments is as follows:
Corps of Engineers.
These were formed from the Sapper and Miner Groups of each of the erstwhile presidencies of British India. They are listed below in order of precedence:
Army Aviation Corps.
The Army Aviation Corps units are designated as 'Squadrons'. Each squadron generally consists of two Reconnaissance (Recce) and Observation Flights. R & O Flights might be part of squadrons or operate independently and do not have a parent squadron (designated by an (I) in their name). The suffix 'UH' stands for Utility Helicopter Flights and 'ALH-WSI' stands for Advanced Light Helicopter - Weapon Systems Integrated.