After CBI filed a chargesheet against former Finance Minister P. Chidambaram and his son Karti in the Aircel-Maxis deal, Chidambaram said: "CBI has been pressured to file a chargesheet to support a preposterous allegation," adding that he will contest it vigorously.

"CBI has been pressured to file a charge sheet to support a preposterous allegation against me and officers with a sterling reputation. The case is now before the court and it will be contested vigorously. I shall make no more public comment," said chidambaram on Twitter.