The same court had earlier issued an arrest warrant for Ali Musa, who is a member of the National Assembly or lower house of parliament.
Abdul Qadir Gilani submitted his nomination papers for the seat vacated by his father.
The judge directed the Anti-Narcotics Force to continue its investigation and to arrest suspects involved in the case.
Day in Pics: 19th December
Showbiz World - December 19, 2014
People Magazine Awards 2014