Opposition parties on Thursday demanded an investigation by a parliamentary panel or a Supreme Court-appointed committee under the Chief Justice of India into the alleged "economic scam" in connection with allegations by a US-based short seller against the Adani Group. Addressing a joint press conference after both Lok Sabha and Rajya Sabha were adjourned shortly after the commencement of the third day of the ongoing Budget Session of Parliament, Congress president and Leader of Opposition in the Rajya Sabha, Mallikarjun Kharge said that the suspension of Business notices of the Opposition parties demanding a discussion on the issue were rejected.