"The institution of commission is politically motivated and is a political vendetta," Hooda, who ruled the state for two consecutive terms, said.
"The government has set up the commission to probe the land deals of only one sector...The enquiry is nothing but witch-hunting against political opponents by the BJP," he said.
Reiterating that he gave "no undue favours" to anyone, Hooda said that the probe should be held by a sitting judge of the High Court.
He said not only in Sector 83 of Gurgaon, but across the state, no extraordinary favours were given to anybody.
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Reacting to the report, he said: "I can't say at this moment what the report has. I will only be able to say something once I see it."
He said the policy of Haryana government was same for every sector.
"My government had not come with a new policy (in grant of Change of Land Use). When the BJP who was also part of the state government with Bansi Lal or Om Parkash Chautala that same policy was followed that time also," he said.
"It was all legal what my government did. There was no irregularity. No special favour was extended to anybody, not only in sector 83, but everywhere across the state," he said.