New Delhi: On Tuesday, a Delhi court extended the protection granted to former Union minister P Chidambaram and his son from the arrest in the Aircel-Maxis scam, to January 11, 2019.This extension by special judge O.P. Saini was provided after the CBI and the Directorate of Enforcement submitted that new material has been recovered which needs to be collated. It also granted time till January 11 to the CBI to get sanction to prosecute some of people accused in the case.Also read: Aircel-Maxis Case: Sanction to Prosecute Chidambaram Received, CBI Tells CourtThe CBI had on November 26 told the court that Centre had granted sanction to prosecute P Chidambaram. The case relates to alleged irregularities in grant of the Foreign Investment Promotion Board approval in the Aircel-Maxis deal.