Buhari extended his condolence to the government and people of his home State, Plateau.
A statement by his spokesman, Garba Shehu said the deceased made significant contributions to the achievements of Nigerian troops in United Nations peacekeeping operations.
He prayed Almighty Allah to comfort the family, friends and colleagues of the late officer.
The late Major-General served the country at great personal risk and was never afraid to pay the supreme sacrifice, Buhari added.
He was formerly Provost Marshall of the Nigerian Army and Director of Peacekeeping Operation, Defence headquarters.
In November 2011, when Lieutenant-General Azubuike Ihejirika was Army Chief, while he was elevated from Brigadier-General to Major-General.
The late Major-General.was then the Director of Army Public Relations (DAPR).