Former Oil and Gas Regulatory Authority (OGRA) chairman Tauqir Sadiq, allegedly involved in Rs 80 billion scam, is expected to be brought back to Pakistan from the United Arab Emirates (UAE) within 48 hours.According to sources in Pakistan embassy, UAE, all the relevant documents have been handed over to UAE authorities.The sources added that Pakistani officials held meeting with UAE authorities last night and handed over documents to them.It may be noted here that Tauqir Sadiq is allegedly involved in Rs80 billion corruption and the case is under hearing in the Supreme Court of Pakistan. The court had issued orders for his arrest in this scam.Sources said on the instructions of the Ambassador, the Embassy of Pakistan in Abu Dhabi remained open during the weekend holidays (Friday & Saturday) because of Touqir Sadiq case.The extradition file sent by NAB authorities reached Cargo Office at Abu Dhabi airport yesterday evening. The Embassy staff, without waiting for the courier company to deliver it next day, immediately rushed to the airport to collect the file directly from the cargo to avoid delay.The NAB team was immediately contacted to reach the Embassy. The Embassy officer and NAB team signed and attested the extradition file by 2000 hrs. The file was then dispatched to the UAE Ministry of Foreign Affairs at 2200 hrs. But as the UAE Foreign Ministry was closed, the file was delivered early Sunday morning.The extradition process legally and diplomatically commenced on Sunday after the arrival of the file dispatched by NAB. Sources added that an expeditious action is expected from the UAE Foreign Ministry in view of intense prior diplomatic communication and their meetings with the Pakistani Ambassador.