National Accountability Bureau (NAB) Director General (DG) Salim Shahzad said Ahad Cheema has been directly involved in the affairs of Paragon Housing Society. Talking to media, he said there was unusual increase in the accounts of Cheema family during a specific period. He said there are also doubts in buying and selling of properties by Saad Rafique in the society. The NAB inquiries are underway and soon important disclosures are expected against Rafique brothers.