The ousted prime minister had earlier appeared twice before the accountability court after his pleas for exempting him personal appearances keeping in view the ailment of his wife were rejected.
On Tuesday, the court ordered Pakistan's financial regulatory agency to freeze the company shares of Sharif and his two sons in the Panama Papers case.
Nawaz Sharif will land in Pakistan todayon Thursday to attend the accountability court's proceedings.
Sources in the party informed The Nation that former prime minister would hold meetings with senior party leaders as well as the leaders of other political parties to work out some joint strategy for his stated agenda of establishing civilian supremacy in the country. The NAB wrote a letter to the airport management and security officials in this regard on Wednesday.
State-run PTV footage showed Sharif stepping out of a Pakistan International Airline plane after it landed at the Shaheed Benazir Bhutto International Airport in Islamabad.
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The cases are based on July 28 disqualification verdict of the Supreme Court and to launch three corruption cases against him, his family, and one case against Finance Minister Ishaq Dar.
It is pertinent to mention that the accountability department was to apprehend Sharif in the reference against him.
Also facing trial before the NAB court is Sharif's daughter Maryam and her husband, Muhammad Safdar.
Pakistan's former prime minister Nawaz Sharif speaks during a news conference in Islamabad, Pakistan September 26, 2017. He said that he is not afraid of prisons as this is not the first time he is encountered with tough scenario, politically. A premier was branded a "hijacker" in a moment of seconds, Nawaz complained.
Sharif, who had been in London with his wife who is undergoing cancer treatment, is due to appear in court on Friday over allegations linked to London properties the family owns, charges that could see the former premier jailed.