The alleged land deals led to a storm in Parliament and the BJP demanded a Supreme Court monitored probe into the allegations.
BJP leader Yashwant Sinha said the Congress is protecting Vadra as he said with a tinge of scarcasm that the latter earned in crores by "a business model for which you do not need to go to a business school that teaches one to earn in crores."
The Lok Sabha was adjourned over the ruckus on Vadra.
Sinha said in India a well connected person like Vadra was born who never went to any B school but made crores of money.
He said the Finance Minister should take lessons in business from Vadra.
Robert Vadra on Saturday found himself at the centre of controversy again after senior government official Ashok Khemka, who was transferred earlier allegedly for his whistle blowing, accused him of having falsified documents for a land deal.
Opposition parties renewed their attack on the Congress-led Untied Progressive Alliance (UPA) government following the accusations by Khemka.
Khemka has reportedly told the Haryana government that Vadra, an industrialist and son in law of India´s most powerful political figure, falsified documents for 3.53 acres of land at Shikohpur village in Haryana´s Gurgaon district.
Vadra used false registration documents to execute a series of sham transactions for the sale of the land in Gurgaon to real estate giant DLF for Rs 58 crores, Khema has claimed.
Khemka also apparently claimed that as per his calculations, through his irregularities and favours earned from the Haryana government, Vadra may have pocketed a whopping Rs 3.5 lakh crores.
Khemka made the claims in a 100-page reply to a report of a three-member enquiry committee which was formed by the Haryana government last year to look into a deal between Vadra and DLF.
The committee had indicted the senior IAS officer for cancelling the deal, following which he had been controversially transferred by the Congress government in Haryana.
Khemka had sparked off a political storm last year by ordering a probe into a land deal between Vadra and DLF and alleged that the industrialist had received undue favours due to his influence.
The BJP on Saturday had demanded an explanation from Congress and called for a thorough probe into the matter.
Activist turned politician Arvind Kejriwal´s Aam Aadmi Party (AAP) , which had been hurling the allegations, also took on the Congress and came out in support of Khemka.
The party also called Khemka to contest against Haryana Chief Minister Bhupinder Singh Hooda on an AAP ticket.
The latest disclosures are seen as damning for the Congress as it hopes to leave behind dozens of corruption scandals ahead of general elections next year.
It also comes at a time when the Congress is locked in a feud with the Samajwadi Party (SP) in Uttar Pradesh over the suspension of IAS officer Durga Shakti Nagpal for allegedly taking on the state´s powerful sand mafia.
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