42 MLAs, including leader of Opposition Charanjit Singh Channi, went to the assembly and submitted their resignations.
A resolution to this effect was passed unanimously in a meeting of the CLP in Chandigarh.
The Congress on Monday appointed the party's Punjab unit chief Navjot Sidhu as chairman of the state election committee.
Congress chief had accepted the resignation of Punjab PCC chief Shamsher Singh Dullo, but had asked him to continue on the post till the appointment of the next PCC president.
Sources said the party has also tasked its senior leaders to be observers at the meeting of the Congress Legislature Party in Haryana to elect its new leader.
Congress leader Sukhjinder Randhawa and Brahm Mohindra will be two deputies to Punjab's Chief Minister-designate Charanjit Singh Channi, said party leader Pawan Kumar Bansal.
The Congress picked Charanjit Singh Channi as the next chief minister of Punjab, making him the first Dailt to hold the post in the state, a day after Amarinder Singh resigned following a bitter power tussle in the party.
Speaking to the media persons in Delhi on Sunday, the Rajya Sabha member said: "I have declined the offer to be the next Punjab CM. I believe Punjab CM face should be a Sikh."
The Congress naming Channi, a Dalit face who comes from the Rupnagar district in the state's Malwa belt, assumes significance as Punjab has a population of nearly 32 per cent from the community.
Sukhjinder Singh Randhawa, a minister in the outgoing cabinet of Amarinder Singh whose name is doing the rounds among the probables to be the new leader of the Congress Legislature Party (CLP) in Punjab, on Sunday asserted that he has never hankered after posts.
Devendra Fadnavis will lead the new Mahayuti coalition government in Maharashtra, with Eknath Shinde and Ajit Pawar serving as deputy chief ministers. The swearing-in ceremony is scheduled for Thursday evening at Azad Maidan ground in south Mumbai and will be attended by Prime Minister Narendra Modi and several Union ministers. The Mahayuti coalition won the recent assembly elections by a landslide, securing 230 out of 288 seats.
Sukhjinder Singh Randhawa, a minister in the outgoing cabinet of Amarinder Singh, is likely to be the state's new chief minister, Congress sources said on Sunday.
The development has come amid a power tussle that polarised the ruling party in the state headed for elections in just about four months.
"Reports of @sherryontop (Sidhu) seeking time to meet @capt_amarinder are totally false. No time has been sought whatsoever. No change in stance... CM won't meet #NavjotSinghSidhu till he publicly apologises for his personally derogatory social media attacks against him," Thukral tweeted.
'Everything else is a sham.'
Former Congress chief Rahul Gandhi, All India Congress Committee (AICC) general secretary Priyanka Gandhi Vadra and chief ministers of Congress-ruled states of Rajasthan, Punjab and Chhattisgarh are among those named by the party as its star campaigners in Uttar Pradesh.
Amid the ongoing rift in the Punjab Congress unit, the All India Congress Committee (AICC) has called a meeting of the state's Congress Legislative Party.
The 48-year-old Mann was elected the AAP Legislature Party leader at a meeting of the party MLAs in Mohali on Friday.
One hundred years ago, a group of 10 revolutionaries carried out an operation that shook the British Empire. Utkarsh Mishra revisits the 'Kakori Conspiracy Case', a turning point in the armed struggle for independence.
Punjab Assembly Speaker Charanjit Singh Atwal on Thursday suspended nine opposition Congress MLAs for the day for their unparliamentary behaviour and insulting the chair of the House.
There are concerns within the Congress with respect to the articulation of the party's demand for the caste census, with Prime Minister Narendra Modi recently accusing the grand old party of attempting to divide Hindus through its push for the Other Backward Classes.
The Congress party's first list of 194 Lok Sabha candidates released on Saturday night has no major surprises. Anita Katyal reports
The scion of erstwhile Patiala Royal family refused to comment on the number of ministers who will be part of the new cabinet.
"Sidhu could not manage a thing. I know him very well. Don't think that he is some sort of magic word for Punjab. He is going to be a disaster," he said.
Congress leaders and workers continued their protests in several states on Thursday against Rahul Gandhi's questioning by the Enforcement Directorate in the National Herald money-laundering case with many of them taken into preventive custody including former Union minister Renuka Chowdhury in Hyderabad after she allegedly grabbed the collar of a police official.
According to sources, Sonia Gandhi took a jibe on party leaders, "You all are sitting together right but otherwise you don't even talk to each other."
The two parties, however, are in a neck-and-neck race in Manipur and Goa.
Bihar Chief Minister Nitish Kumar on Saturday appeared all set to make his second political volte face in less than three years, with a highly-placed source close to Kumar saying that the Janata Dal-United president is likely to tender his resignation by Sunday morning.
Prashant Kishor, the man who led Narendra Modi and Nitish Kumar to victory, has his task cut out for him as he tries to secure victory for the Congress in Punjab and Uttar Pradesh
Amid raging Lalitgate row, Rajasthan Chief Minister Vasundhara Raje on Friday cancelled her visit to Punjab where she would have come face-to-face with Bharatiya Janata Party president Amit Shah for the first time since the damaging revelations.
The Congress on Sunday named Baghel, a five-time MLA from Patan, to head the state Congress Legislature Party. Baghel, who took charge as Congress state president Congress after the 2013 assembly polls, was credited for the massive victory of the party in the recent assembly polls where Congress won 68 seats in the 90-member House.
The governor's approval came a day after the AAP government informed him about the issues to be taken up during the session.
The Congress is strongly opposed to the three Central legislations which were signed into laws by President Ram Nath Kovind on Sunday.
The Congress party may have its eyes firmly set on the Bharat Jodo Yatra, but it kept its fingers crossed as it waited for Thursday's counting of votes for the assembly elections in Gujarat and Himachal Pradesh.
With crucial assembly elections round the corner in four states, Congress leaders are currently debating whether to project chief ministerial candidates in the poll-bound states.
Speaking on the resolution, Chief Minister Mamata Banerjee said the CAA is 'against the Constitution and humanity'. The resolution was supported by both the opposition parties Congress and the CPI(M)-led Left Front. The BJP legislature party opposed the resolution.
The BJP stormed back to power in the crucial state of Uttar Pradesh, trouncing its main rival SP, with Chief Minister Yogi Adityanath asserting that people have buried the politics of caste and religion.
Lashing out at Kejriwal's "confrontationist attitude", she said, people of Delhi were "regretting" what they had done one year ago.
A video purportedly of a meeting of the Congress MLAs loyal to Chief Minister Ashok Gehlot has surfaced.
If Kejriwal is arrested, it will take very little for Lieutenant Governor V K Saxena to summon a meeting of the assembly, direct it to elect a new leader of the House, and, if it doesn't, dissolve it and impose President's Rule, predicts Aditi Phadnis.