The party also sought to take the wind out of Kejriwal's charges and accused him of speaking "half truths and innuendos".
At the AICC briefing, Congress spokesperson Renuka Chowdhury dismissed as "canard" that the charges against Vadra had led to a situation reminiscent of one after allegations of Bofors kickbacks against Rajiv Gandhi some 25 years ago.
"It is a canard. It is not surprising that every time we bring reforms, opposition has nothing else to contribute, they gather...They deter, distract, dilute...This type of negativity. This is nothing new that we cannot handle.
"We have handled such negativity before. This is malicious. New standards of low in public discourse. It is the modus operandi of these people.....This government will move forward on the reforms path," she said.
Attacking Kejriwal, she said his charges were "absurd" as there was no land belonging to Haryana Government which was given away to realty major DLF. "There is no such land (earmarked for hospital)."
She said it was "quite amazing and unfortunate" that the charges are being given weightage despite not having "any substantive evidence".
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Asked as to why Vadra, son-in-law of party president Sonia Gandhi is silent, she wondered as to what can one do when faced with random accusations. She also asked the media "why you are giving credibility and credit" to Kejriwal as "half truths and innuendos does not constitute a statement".
The AICC had yesterday dared Kejriwal to issue a White Paper on the finances for his campaign.