Indirectly hitting out at Bharatiya Janata Party (BJP) chief Nitin Gadkari, who has been targeted by the IAC's Arvind Kejriwal for alleged financial impropriety in the running of his Purti Group, she said: "Those who are talking about corruption are finding themselves neck-deep in corruption."
She also slammed the opposition for "trying to weaken the democratic institutions and roots" of the country.
Sonia Gandhi attacked the opposition for not allowing key legislation to be passed or discussed in parliament. The BJP had stalled the monsoon session of parliament over alleged irregularities the coal blocks allocations issue.
Congress general secretary Rahul Gandhi, who is expected to be anointed the party's number two in a major reorganisational move, strongly attacked opposition parties for "lying" to farmers about foreign investment in multi-brand retail.
