The case is related to the alleged irregularities in granting clearance by the Foreign Investment Promotion Board to INX Media, once owned by Peter and Indrani Mukherjea, for receiving overseas funds to the tune of Rs 305 crore.
A total of 16 secretaries have been appointed to various central government departments.
The chargesheet names 14 accused, including the Congress leader's son Karti Chidambaram, Peter Mukherjea and Indrani Mukerjea.