This article lists the regiments of the Indian Army, including the various corps of supporting arms and services.
The following old lists in this section have been replaced by the present list provided in the subsequent sections:
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 surveillance equipments and weapon locating radars.
Weapon-equipped units of the Regiment of Artillery are listed below:
The following units, designated as "Missile Group", are equipped with nuclear capable ballistic missiles like Prithvi and Agni. They operate under the Strategic Forces Command.
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)).
The list of army air defence regiments is as follows:
The corps was formed from the Sapper and Miner Groups of each of the erstwhile presidencies of British India. The Corps consists of three groups of combat engineers, namely the Madras Sappers, the Bengal Sappers and the Bombay Sappers. The list of Engineer regiments is as follows:
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.