He denied the Congress' allegation that the Commission's report was leaked and said the court should take cognisance of the matter.
His reponse came after a media report claimed that Vadra had been indicted by the Commission for making unlawful profits in a land deal in 2008.
Khattar noted that the court has not given permission to make public the report of the Commission, formed by his government after coming to power in October 2014.
"Once the report is made public and something comes out, it will be a matter of investigation," the chief minister said.
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"Details" of the Commission's findings were published by a daily today which cited people familiar with the report. According to them, "there was collusion aimed at benefiting Vadra's company".
The commission has sought an inquiry into properties bought by Vadra, Priyanka Gandhi's husband, and his businesses, it claimed.
Priyanka had yesterday released a statement saying her finances had nothing to do with those of her husband or his company Skylight Hospitality, which had made controversial land deals with realty major DLF.
The statement from Priyanka's office came after a query was made to Vadra asking whether a portion of the money he had received from the DLF was used by his wife to buy properties in Faridabad in Haryana.
The statement mentioned about Priyanka Gandhi having bought five acres of agricultural land in village Amipur in Faridabad district for Rs 15 lakh on April 28, 2006, six years prior to the purported land deal involving Skylight Hospitality.
The contents of the report are yet to be made public by the state government which had given an undertaking in the Punjab and Haryana High Court not to release the report until directed by the court.
Former chief minister Hooda had petitioned the high court challenging the constitutional validity of the panel and had accused the government of resorting to political vendetta.
It was during hearing of Hooda's petition that the state government had told the court that it will not make public the report.
Recently, the Haryana government submitted the commission's inquiry report to the apex court in a sealed cover following a diection to this effect.