Another set of Book Haram fighters, together with their families, surrendered themselves on Monday, a wireless message by the army said.
The UN agency identified Borno, Adamawa, and Yobe as states to be most affected.
The planned dastardly acts are to be executed through the use of explosives, suicide bombing and other dangerous weapons.
The official asserts that Boko Haram had no reach to carry out such an operation.
The Chief of Army Staff had previously moved a military university to his home Biu Local Government Area of Borno in 2018.
The Army engages spiritual leaders to counter indoctrination of insurgents.
Two officers and three soldiers are still missing in action following the attacks on Friday afternoon.