Gandhi ignored questions put to her on the allegations levelled against Vadra by India Against Corruption led by Arvind Kejriwal.
Vadra is under attack from several parties, including the BJP, in the wake of allegations levelled by the IAC over irregularities in land deals in Haryana.
Haryana government officials had cleared Vadra of any wrong-doing, saying there were no irregularities in the land purchases done by him and his companies.
