Chairman, board of Universal Basic Education Commission (UBEC), Muhammed Mahmood, and his daughter have been released.
An aide of Mahmood, Hussain Danladi, confirmed their release on Tuesday.
Mahmood and his daughter were kidnapped on Monday along Kaduna-Abuja expressway.
Danladi said no ransom was paid for their release.
However, there is no information about others who were abducted alongside the duo on Monday.
The driver of the vehicle was shot dead when gunmen rained bullets on their vehicle.
