Philanthropy:

Mann began a non-government organisation, the "Lok Lehar Foundation" to aid children with physical deformities as a result of pollution of groundwater in the border areas of Punjab.

Personal life:

He is a comic poet who writes political satire. He is also a volleyball player. He was married to Inderpreet Kaur until their divorce in 2015. They have a son and a daughter.

Anti-Corruption efforts:

His first decision was to establish an anti-corruption helpline on his personal number.

Ending VIP culture:

Even before taking the oath, CM designate Mann took steps to end the VIP culture and met the Director General of Police (DGP). Next day the police DGP in charge of security ordered to withdraw police security from 122 former MLAs and ministers. A total of 384 policemen involved in the security of those politicians were transferred to their parent unit. Mann had stated that the police force was needed for security of the people and not VIPs. The security of former CMs was continued as they had been provided security on the instructions of the Union Home Ministry.

Chief Minister of Punjab:

On 18 January 2022, he was chosen as the Aam Aadmi Party (AAP) candidate for the Chief Minister of Punjab in the 2022 Punjab Legislative Assembly election, based on a public poll in which AAP claims 93% of the voters wanted Bhagwant Mann as the chief ministerial candidate.

On 10 March, Mann won from Dhuri Assembly Constituency with a big margin of 58,206 votes. After the announcement of the legislative results the Aam Aadmi Party gained a full majority in the sixteenth Punjab Legislative Assembly. Under his leadership, AAP had won 92 seats out of 117 in Punjab Assembly Elections 2022 and will be sworn in as Chief Minister of Punjab. Arvind Kejriwal re-iterated saying that Mann would swear-in as the chief minister of the state soon. Mann also announced that he would be taking the oath as the chief minister at Khatkar Kalan, the ancestral village of freedom fighter Bhagat Singh. During his speech after the election results, he announced that Bhagat Singh and B.R. Ambedkar's photos would be in the government office instead of the former Chief Minister.
On 11 March, he was elected as the leader of the AAP legislative party.
On 16 March, Mann took oath as the 17th Chief Minister of Punjab. At the age of 48 years, Mann became the youngest Chief Minister of Punjab since the 1970s. The oath-taking ceremony was held at Khatkar Kalan village on 16 March, when the term of the Fifteenth Punjab Legislative Assembly expired. Khatkar Kalan is the birth place of revolutionary Bhagat Singh, who inspired Mann.
Mann ministry is the Cabinet of Punjab headed by the Chief Minister.

Parliamentary Committee assignments:

13 September 2019 onwards: Member, Standing Committee on Food, Consumer Affairs and Public Distribution
Member, Consultative Committee, Committee on External Affairs
In 2021, the Parliamentary Committee on Food, Consumer Affairs and Public Distribution had submitted a report to the Union Government recommending implementation of the Essential Commodities Act, 2020. The Essential Commodities Act, 2020 was one among the three controversial 2020 Indian agriculture acts that led to the year long 2020–2021 Indian farmers' protest. Mann publicly released his statement that was made during the Committee meeting on 5 June 2020. In his statement, Mann had raised concerns that these farm laws would increase hoarding. Removal of onions and tomato from the list of Essential Commodities, would lead to price rise due to illegal stockpiling to increase the price and then selling at higher prices. This will create hardships for the poor. He also raised the issue of hoarding of potatoes.

Mann contested in the 2022 Punjab Assembly elections and won. AAP won a large majority of 92 out of total 117 seats. Mann was designated as the CM. Two days before taking the oath as CM of Punjab, Mann resigned from his post of MP Sangrur on 14 March 2022.

Member of Parliament:

First term (2014–2019)
In May 2014, he was elected to the 16th Lok Sabha from Sangrur Lok Sabha constituency after defeating Sukhdev Singh Dhindsa from Shiromani Akali Dal. He got 533,237 total votes and won election with a margin of 211,721 votes.

Parliamentary Committee assignments

1 September 2014 – 25 May 2019: Member, Standing Committee on Personnel, Public Grievances, Law and Justice.
Member of the Consultative Committee, Ministry of Rural Development, Panchayati Raj and Drinking Water and Sanitation.
11 December 2014 – 25 May 2019 : Member, Joint Committee on Offices of Profit.

Second term (2019 - 2022)
In May 2019, he was re-elected to 17th Lok Sabha from Sangrur constituency in the 2019 Indian general election. He won his second term in the Parliament with a margin of 110,211 votes. He got 413,561 votes while contesting against Kewal Singh Dhillon from Indian National Congress and Parminder Singh Dhindsa from Shiromani Akali Dal. He is only Member of parliament from Aam Aadmi Party in the lower house (Lok Sabha) of the parliament.

On 18 January 2022, he was chosen as the Chief Minister of Punjab candidate from the Aam Aadmi Party for the 2022 Punjab Legislative Assembly election. The selection was reportedly done by polling from the public and the results were declared by the party chief Arvind Kejriwal.

On 9 February, Mann raised issues about farmers in the Lok Sabha. The payment to sugarcane farmers for the year 2020-21 and 2021-22 had been pending. He appealed for clearing the due early along with interest. He asked for compensation for the losses in cotton farmers due to the pest attack. he asked that the Union government should recognize the farmers who died during the 2020–2021 Indian farmers' protest.

Political career:

In early 2011, Mann joined the People's Party of Punjab. In 2012, he unsuccessfully contested assembly elections in the Lehra constituency.

In March 2014, Mann joined the Aam Aadmi Party to contest elections in the Sangrur Lok Sabha constituency. He fought his first Lok Sabha election against former union minister Sukhdev Singh Dhindsa and won by 211,721 votes.

Acting career:

Mann participated in youth comedy festivals and inter-college competitions. He won two gold medals at a competition at the Punjabi University, Patiala for the Shaheed Udham Singh Government College, Sunam.

Mann developed comedy routines about typical Indian issues such as politics, business and sport. His first comedy album was with comedian Jagtar Jaggi. Together, they made a television program called Jugnu Kehnda Hai for Alpha ETC Punjabi. Ten years later, they parted ways. Mann then formed a comedy partnership with Rana Ranbir. Together, they made the television program, Jugnu Mast Mast for Alpha ETC Punjabi. In 2006, Mann and Jaggi reunited and toured Canada and England with their show, No Life With Wife.

In 2008, Mann competed in the Great Indian Laughter Challenge on Star Plus which increased his audience.

Bhagwant Mann also acted in National Award winning Film "Main Maa Punjab Dee" Directed by Balwant Dullat

Mann acted in Jugnu Hazir Hai on MH One.