In a petition written to President Muhammadu Buhari, they accused Abeshi of collecting money from officers eager to travel abroad on foreign missions.
The aggrieved officers called on the president to investigate the allegation within the NIS and stop the corrupt activities in the service.
Abeshi was appointed in September 2015 to replace former comptroller general, David Parradang, who was fingered in the tragic 2014 recruitment scandal.
At the time the new Immigration boss was appointed, he had already been slated to proceed on a three-month terminal leave beginning from October 2015.
Abeshi was said to have been having running battle with some of his deputies and assistants, who were not happy that their boss was still in office when he ought to have retired from the service since December 2015.
NIS staff jubilates as President Buhari sacks Immigration boss
Reviewed by Link Naija