The case relates to alleged irregularities in Aircel-Maxis deal.
A Delhi court on Monday extended till May 30 the interim protection from arrest granted to former Union Minister P Chidambaram and his son Karti in Aircel-Maxis cases by CBI and ED.
Special Judge OP Saini extended the protection after senior advocate A M Singhvi, appearing for the Chidambarams, made a request in this regard.
The request was made after Solicitor General Tushar Mehta, appearing for the agencies, sought more time to complete the probe.
The case relates to alleged irregularities in grant of Foreign Investment Promotion Board (FIPB) approval in the Aircel-Maxis deal.