New Delhi, Apr 27 (ANI): Bharatiya Janata Party leader Subramanian Swamy, who is set to corner the Congress Party over the controversial Agusta Westland chopper deal in the Parliament, on Wednesday, urged the grand-old party to support the probe. Reacting over the statement, Congress president Sonia Gandhi alleged that the BJP-led NDA government was indulging in the politics of character assassination and blatant lies over the AgustaWestland chopper deal, while refuting allegations being levelled against her.