Following a petition by the Anti-Corruption Commission (ACC), a court has issued a travel ban on retired Lieutenant General Sheikh Mamun Khaled, former DG of DGFI, his wife Nigar Sultana Khaled, Tax Commissioner Abu Sayeed Md. Mustaq, and Khandaker Abul Kaiyum, the brother-in-law of former NSI DG Major General TM Jobayer. The ACC is investigating allegations of illegal share trading, abuse of power, financial irregularities, and the accumulation of unexplained wealth against them.