The game intensified after Congress fielded Channi from a second seat and Shiromani Akali Dal leader Bikram Singh Majithia chose to take on Sidhu from the Amritsar East seat.
Amarinder Singh on Monday held the Gandhis totally responsible for the rout of the Congress in the assembly polls, claiming that the party was "comfortably placed" in Punjab before he was unseated as chief minister.
"The Punjab government is running just like the Modi government. Doing headline management to hide its failure. After winning on the slogan of bringing change, it is doing politics of revenge," he also said in a tweet.
Sidhu made the remark welcoming the change, ushered by the people and emphasising that their verdict should be 'humbly accepted'.
'Had the Congress made Sidhu its CM face, they would have won 80 out of 117 seats.'
If the BJP wants to recruit him, it needs to make the supreme sacrifice -- of rolling back the three farm laws, because without that, Amarinder Singh is unlikely to cross over.
The Punjab government has declared a holiday on Thursday as a mark of respect to the former chief minister.
Making the announcement at a press conference in Chandigarh, Sidhu, however, said he will assume charge the day Punjab will get a new advocate general.
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His tweet pressing the Charanjit Singh Channi-led government to change the director general of police and state's advocate general appears to indicate that he continues to remain unhappy over certain key appointments.
'The fight is between the Congress and Akali Dal.'
There is no threat to the Amarinder Singh-led government in Punjab and the party's victory prospects for the upcoming assembly elections, Rawat said.
Without naming any party, Sidhu made the remark ahead of the announcement of the Congress' chief ministerial face by the party's former president Rahul Gandhi during his visit to Ludhiana for the February 20 Punjab assembly polls.
Amarinder, 75, was sworn in as the state's 26th chief minister along with nine ministers, including Navjot Singh Sidhu.
Navjot Singh Sidhu quit as the Punjab PCC chief, triggering other resignations and plunging the party into a fresh crisis just months ahead of the assembly elections.
Aam Aadmi Party candidate Sushil Rinku on Saturday won the Jalandhar Lok Sabha by-election, defeating his nearest rival and Congress nominee Karamjit Kaur Chaudhary by a margin of 58,691 votes.
'Sidhu's suggestions regarding formation of the new government were completely ignored, so he stepped down.' 'Channi's government is walking on the same path as Amarinder Singh's.'
The committee has given its recommendations to Congress president Sonia Gandhi, who will take necessary action, the sources pointed out.
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With the Aam Aadmi Party looking set for a clean sweep in the Punjab assembly polls, its leader Raghav Chadha on Thursday said the party will emerge as the national and natural replacement of the Congress in the coming days.
Unemployment, delivery of justice in desecration cases, illegal sand mining and drug menace are likely to be key issues in the Punjab assembly elections.
'If you put your own party into the witness box, like what Sidhu did, and treat them as wrongdoers, then how will the people of Punjab trust the party?'
Sidhu and Chief Minister Charanjit Singh Channi are the main contenders for the chief ministerial candidate. Both have assured Gandhi they will stand by the party's decision.
'The distrust of traditional political parties in Punjab is an advantage for AAP.'
The incumbent Congress could win only 18 seats, with Chief Minister Charanjit Singh Channi losing both seats he contested -- Chamkaur Sahib as well as Bhadaur.
As state-level leaders tried to placate Sidhu, he made it clear through the video that he was in no mood to budge on his 'principles'.
Punjab Congress president Navjot Singh Sidhu on Wednesday once again trained his guns on former state chief minister Amarinder Singh, calling him a 'fraud,' 'coward' and a 'crybaby.'
'The Congress is trying to cover up their anti-incumbency by highlighting the Dalit CM factor.'
Asking that if all these leaders and actors accompanying the Pakistani journalists are Inter-Services Intelligence's contacts, Singh asserted that he would have invited her again had there been no visa restrictions between India and Pakistan.
President Droupadi Murmu, Prime Minister Narendra Modi, several central ministers and chief ministers and leaders cutting across party lines condoled the demise of former Punjab chief minister Parkash Singh Badal on Tuesday and hailed his immense contributions to the state as well as the country.
Chief Minister Amarinder Singh met more than 20 party leaders, including ministers, MLAs and MPs at his farmhouse in Mohali's Siswan, sources said. Sidhu, who may be declared the state party chief, met four ministers and at least six MLAs at the residence of Jails Minister Sukhjinder Singh Randhawa in Chandigarh, they said.
"A hundred years ago, Britishers had called Bhagat Singh a terrorist and 100 years later, history is repeating when all these parties want to prove Bhagat Singh's follower (Kejriwal) as a terrorist, but people know the reality," he said.
Counting for assembly polls in Uttar Pradesh, Punjab, Uttarakhand, Goa and Manipur was held on Thursday. Here's how the big names fared.
Sources said Sidhu's resignation has not been received by the party and its leadership will take a call once it reaches them.
Nothing exemplifies this Sikh khundak (revenge) better than the fact that all the tallest names in the state lost their election to novices fielded by AAP.
Kejriwal's centralised way of governance might work in Delhi, but Punjab will call for delegation, observes Sanjeev Nayyar.
Among these are Labh Singh Ugoke, who defeated former chief minister Charanjit Singh Channi in the Bhadaur assembly segment by a margin of 37,558 votes, and Gurmeet Singh Khuddian, who beat Shiromani Akali Dal patriarch Parkash Singh Badal in his traditional Lambi seat by 11,396 votes.
A former MP from Janjgir Lok Sabha constituency, Shukla left the Bharatiya Janata Party ahead of assembly polls in 2013 and joined the Congress next year, alleging that she was sidelined by the state BJP leadership.
Lashing out at Kejriwal's "confrontationist attitude", she said, people of Delhi were "regretting" what they had done one year ago.
The 48-year-old Mann was elected the AAP Legislature Party leader at a meeting of the party MLAs in Mohali on Friday.