ISLAMABAD, Jan 15 (INP) The National Accountability Bureau (NAB) took back on Monday its plea in the Islamabad High Court (IHC) challenging the removal of clauses related to submitting false documents from the charge-sheets of Mayram Nawaz and her husband in the Avenfield corruption reference. Maryam, former prime minister Nawaz Sharif’s daughter, and her husband MNA Capt (retd) Safdar, are accused, along with other family members, in the Avenfield properties reference filed by NAB in light of the Supreme Court’s Panama Papers case judgment. INP/AH/LK