The NCB on Wednesday recorded Wankhede's statement for more than four hours in connection with allegations of extortion levelled by Prabhakar Sail, a witness in the Aryan Khan drugs case.
Shah Rukh Khan's son, along with Arbaaz Merchant and Munmun Dhamecha, are expected to be released no earlier than Friday or Saturday.
The court said that the committee will have two roles: to enquire into, investigate and determine seven areas, and also to make recommendations.
The army's October 6 notification appointing Lt General Anjum was withheld by the Prime Minister's Office, saying the government was not properly consulted.