Sidhu backed his wife saying 'she would never lie', while the CM said she refused to contest from Amritsar.
Sidhu had attended the ground-breaking ceremony of the Kartarpur Corridor in Pakistan last year.
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.
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."
Sidhu and Amarinder Singh have been at loggerheads for the past some time, with the Amritsar (East) MLA recently attacking the CM over the desecration cases.
He also said he even declined the post of deputy chief minister offered by Congress leader Rahul Gandhi to him.
Sidhu resigned as the PCC chief and sent his resignation to Congress president Sonia Gandhi on Tuesday.
AAP would like to send an icon from the state to the Upper House of Parliament and one of the foremost names to have emerged is that of 41-year-old off-spinner.
He is likely to be inducted as a 'star campaigner' ahead of the assembly polls next year.
There's no doubt that now Captain Singh has no choice: A succession plan has been forced on him. He can sulk, or he can fight back. But the playing field is no longer as level as it was.
Sidhu had on Friday met Delhi Chief Minister and AAP's National Convenor Arvind Kejriwal at the latter's residence, but the party remained tight lipped on what transpired at the meeting.
Expressing concerns over another round of crisis in the Punjab unit of Congress, Anandpur Sahib MP Manish Tewari said that he is 'extremely distressed' after Navjot Singh Sidhu's resignation as party's state unit chief and claimed that the only people who are happy with what is going on in the border state is the 'deep state of Pakistan.'
Dominic Xavier offers his take on what looks like the end of the Captain era in Punjab politics -- even if he joins another political party.
The apex court was hearing a matter pertaining to review of sentence awarded by it in May 2018 to the cricketer-turned-politician in the 1988 road rage case.
The SC has agreed to re-examine the sentence awarded by it to the cricketer turned politician in a 30-year-old road rage case.
Soon after taking the oath of office, the newly-sworn in Punjab Chief Minister Charanjit Singh Channi said his government is standing with farmers and will appeal to the Centre to withdraw the three farm laws.
Having twice betrayed the BJP -- and Arvind Kejriwal determined not to admit in AAP anyone who could question his authority -- Sidhu seems to have reached a dead-end in his political career, asserts Virendra Kapoor.
Sidhu insisted his TV shows will not interfere with his Cabinet responsibilities.
With less than a month left for campaigning to end in Amritsar, the Bharatiya Janata Party's candidate Arun Jaitley is still facing one question in almost all his interactions with media -- Will sitting MP Navjot Singh Sidhu canvass for him?
Channi also said the party is supreme and the government follows the party's ideology.
After her Facebook announcement quitting the BJP on April Fools' Day, BJP's Chief Parliamentary Secretary in Punjab Navjot Kaur Sidhu said "all is well".
She praised the chief minister for leading the party to "many victories" and taking Punjab on a "road to progress".
The crucial meetings come amid talks of the Congress leadership making efforts to bring all leaders together ahead of next year's Punjab Assembly polls and present a united face of the party.
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.
Even Congress MP from Ludhiana Ravneet Singh Bittu backed the policemen and praised them for their role during militancy and COVID-19 times.
About 20 Punjab Congress leaders met in Ludhiana on Tuesday, with some of them batting for a key role for Navjot Singh Sidhu, the former state party unit chief who was among the participants.
His remarks came a day after AAP Punjab unit chief Bhagwant Mann took a dig at the cricketer-turned-politician and asked him to tweet about the 'funds' allegedly accepted by the ruling Congress from private power companies in the state.
'If we look at the replays side-on the foot touches the boundary twice and it's very clear.'
The meeting comes amid continued attack by former Punjab minister Navjot Singh Sidhu on the chief minister.
Ganguly was nominated to the seat vacated by Navjot Singh Sidhu.
He said that to concentrate on the upcoming polls in Uttarakhand, it had been on his mind to seek to be relieved of the responsibility of the party's Punjab affairs in-charge.
Sidhu, who returned from Pakistan on Sunday, was the only Indian, who attended Khan's swearing-in ceremony.
On his meeting with General Bajwa, the Congress leader said, "On his meeting with General Bajwa, Sidhu said, "I again want to make it clear that this meeting took place in Islamabad at a time when Gen Bajwa reached the venue of swearing-in ceremony." "He met me with enthusiasm after seeing me sitting in the first row. Immediately, he told me that they were making efforts to open the corridor from India's Dera Baba Nanak to Kartarpur Sahib, which is about 3 to 3.5 km in Pakistan, to facilitate the pilgrims to pay obeisance on the occasion of 550th 'Prakash Diwas' of Guru Nanak Dev ji."
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.
'Had the Congress made Sidhu its CM face, they would have won 80 out of 117 seats.'
Sidhu took to Twitter on Sunday, making public his resignation letter dated June 10 addressed to Congress 'president' Rahul Gandhi.
Cricketer-turned-Bharatiya Janata Party member of Parliament Navjot Singh Sidhu on Thursday said despite being part of ruling Shiromani Akali Dal-BJP alliance in Punjab, he feels he is in the opposition as several developmental works in his constituency have been stalled.
'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.'
Any decision taken by Congress president Sonia Gandhi will be acceptable to all, Punjab Chief Minister Amarinder Singh said on Saturday as talk of Navjot Singh Sidhu being appointed chief of the party's state unit despite his oft-stated reservations gathered force.