The Congress on Tuesday demanded the resignations of union minister Sushma Swaraj and BJP chief ministers Vaundhara Raje and Shivraj Singh Chouhan before discussions on any other issue with the NDA government could start."Discussions with the government will proceed only after the resignation of the three leaders - Sushma Swaraj, Raje and Chouhan. This agenda was set up by the previous government which was in power for 10 years. Whenever the opposition demanded resignations during our time, the resignations were sought (from the ministers concerned)," Leader of Opposition in the Rajya Sabha Ghulam Nabi Azad said.Sushma Swaraj and Raje are under attack in connection with the controversy surrounding former Indian Premier League chairman Lalit Modi, who is facing Enforcement Directorate probe. Madhya Pradesh Chief Minister Shivraj Singh Chouhan is facing political heat over the Vyapam scam.The Rajya Sabha saw several adjournments on Tuesday following disruptions and ruckus by opposition parties in the upper house.