Colonel Hazrat Hussain Mashriqiwal said that six suspects were arrested from Nazyan district, five from Kot and two others from Haska Mina district.
All suspects are kept in police custody and are under further investigation.
Nazyan, Kot and Haska Mina are among the districts of Nangarhar which are witnessing severe insecurity from past few months.
Both Taliban and Islamic State or Daesh militant groups are operating in these areas.