He was given one-year sentence in the corruption reference in which the three-time Premier and his daughter Maryam Nawaz were also sentenced over the Sharif family's purchase of luxury flats in London.
According to jail officials, Awan underwent a medical examination in the penitentiary and was later shifted to a barrack specified for "B" category prisoners, Geo News reported.
On Friday, Awan reportedly went underground after being convicted. He re-emerged a day later in Rawalpindi and spearheaded a rally of Pakistan Muslim League (Nawaz) workers before finally being arrested by the anti-graft officials amid resistance from his supporters.
The NAB in statement on Sunday called Awan a convict and asked the media to refrain from promoting him as it could "lead to lawlessness". The authority said that those assisting him will face action against them.
Following the statement, the NAB registered a case against Awan and other PML-N leaders for obstructing officials from arresting him.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
