Aujla commissioned into 13th Battalion The Rajputana Rifles on 19 Dec 1987. The General has immense experience in Counter Insurgency Operations having served multiple times in Jammu and Kashmir.[4] He has commanded 15th Battalion The Rajputana Rifles in deserts, an Infantry Brigade and an Infantry Division (Vajra Division) along the Line of Control in North Kashmir.

He has held numerous Instructional and Staff appointments which include two tenures as instructor at the Commando Wing, The Infantry School, Belgaum and an instructor tenure at HQ IMTRAT, Bhutan, a tenure as Brigade Major of an Infantry Brigade during OP PARAKRAM, Colonel General Staff in a Corps HQ, Director Perspective Planning in IHQ of MoD (Army), Brigadier General Staff (Operations) at Chinar Corps, Brigadier Infantry (C) at Infantry Directorate, IHQ of MoD (Army) and Major General General Staff (Operations) at HQ Northern Command.

He took over the reins of Srinagar-based XV Corps as the 51st General Officer Commanding on 10 May 2022

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