Here is a table showing the equivalent ranks of commissioned officers in the three defence services in India:
| Air Force | Army | Navy |
|---|---|---|
| CAS | COAS | CNS |
| Air Marshall (AOC-in-C / VCAS) | Lieutenant General (Army Commodore / VCOAS) | Vice Admiral / FOC-in-C / VCNS) |
| Air Marshall | Lieutenant General | Vice Admiral |
| AVM | Major General | Rear Admiral |
| Air Commodore | Brigadier | Captain |
| Group Captain | Colonel | Captain |
| Wing Commander (S) | Lieutenant Colonel (S) | Commander (S) |
| Wing Commander (TS) | Lieutenant Colonel (TS) | Commander (TS) |
| Squadron Leader | Major | Lieutenant Commander |
| Flight Lieutenant | Captain | Lieutenant |
| Flying Officer | Lieutenant | Sub Lieutenant |
| Air Force | Army | Navy |
|---|---|---|
| NCs (E), Tindal, Head Tindal | NCs (E) | |
| MWO | Subedar Major | Master Chief Petty Officer Artificer I and II |
| WO | Subedar | Chief Artificer / Chief Mech I and II |
| JWO | Naig Subedar | CPO / Mech III / Artificer III / Artificer II / Mech II / Artificer I / Mech I |
| Sergeant | Havaldar | Petty Officer / Mech IV / Artificer IV |
| Corporal | Naik | Leading Seaman and equivalent |
| AC / LAC | Sepoy | Seaman I and equivalent |
Equivalent Honorary Ranks
| Air Force | Army | Navy |
|---|---|---|
| MCPO I / Honorary Lieutenant | Subedar Major / Honorary Captain | MWO / Honorary Flight Lieutenant |
| MCPO II / Honorary Lieutenant | Subedar / Honorary Captain | WO / Honorary Flight Lieutenant |
| MCPO I / Sub Lieutenant | Subedar Major / Honorary Lieutenant | MWO / Honorary Flight Officer |
| MCPO II / Sub Lieutenant | Subedar / Honorary Lieutenant | WO / Honorary Flight Officer |
