Saini was commissioned into the 7th battalion,
Jat Regiment in June 1981. His commands include 7 Jat, a Mountain Brigade in the Kashmir Valley, Counter Insurgency Force (Kilo) (part of the
Rashtriya Rifles) and
IX Corps. The general officer has also held numerous staff appointments including Brigade Major of an infantry brigade, General Staff Officer (Operations) of an infantry division, BGS of a Corps, Director of Military Operations at Army HQ; Director General, Manpower Planning and Personnel Services (MP&PS). He has held different instructor appointments including Senior Directing Staff at
National Defence College, Weapons Instructor at National Security Guards Training Center and the Commandant of the
Indian Military Academy, Dehradun. He was also The Colonel of the
Jat Regiment. Saini has served on international deputations as well including Deputy Chief Military Personnel Officer in the Iraq- Kuwait UN Mission; Global Peace Operations Initiative's peacekeeping exercise in Mongolia; a counter-terrorism exercise in Australia. == Honors and decorations ==