| Unit Name: | 103 Air Defence Regiment |
| Dates: | 1949 – present |
| Country: | India |
| Allegiance: | India |
| Branch: | Indian Army |
| Type: | Corps of Army Air Defence |
| Size: | Regiment |
| Equipment: | 40 mm L/70 Air Defence Gun |
| Identification Symbol: | 103 AD Regt |
| Identification Symbol Label: | Abbreviation |
| Nickname: | Gagan Rakshak |
| Motto: | Sanskrit Sanskrit: आकाशे शत्रुन् जहि |
| Colors: | Sky Blue and Red |
| Anniversaries: | 22 August (Raising Day) |
103 Air Defence Regiment is part of the Corps of Army Air Defence of the Indian Army.
103 Air Defence Regiment was raised on 22 August 1949 at Colaba in Bombay (now Mumbai) as 103 Heavy Anti-Aircraft Regiment of the Territorial Army. It consists of 509, 510 and 511 air defence batteries. The regiment has been subsequently converted to a regular regiment of the Indian Army.[1] [2]
The regiment has taken part in the following operations[1]
Operation Vijay, 1961
Operation Ablaze
The unit took part in Operation Cactus Lily in the western sector.[3]
Military exercise
Operation Vijay
2019
The war cry of the regiment is Gagan Rakshak Ka Hai Nara, Bache Na Shatru Hamara (गगन रक्षक का है नारा, बचे ना शत्रु हमारा), which loosely translates to The slogan of the sky defenders is, our enemy should not survive.