The commanding officer (CO) or sometimes, if the incumbent is a general officer, commanding general (CG), is the officer in command of a military unit. The commanding officer has ultimate authority over the unit, and is usually given wide latitude to run the unit as they see fit, within the bounds of military law.
Cdr Mathew P Mathew
PI STAFF
Under each Battalion there is a group of people called PI (Permanent Instructors) staff, which includes a number of Non-Commissioned Officer’s (NCO’s) and Junior Commissioned Officer’s (JCO’s) . Subedar Major is the rank of senior-most JCO.