The Congress is strongly opposed to the three Central legislations which were signed into laws by President Ram Nath Kovind on Sunday.
The 48-year-old Mann was elected the AAP Legislature Party leader at a meeting of the party MLAs in Mohali on Friday.
The development has come amid a power tussle that polarised the ruling party in the state headed for elections in just about four months.
Chouhan paid tributes to former Union minister and Congress leader late Madhavrao Scindia on his birth anniversary. Madhavrao was father of Jyotiraditya Scindia, who is said to be at the centre at the current political drama in Madhya Pradesh.
In a unique protest against fuel price hike, West Bengal Chief Minister Mamata Banerjee on Thursday rode pillion on an electric scooter to state secretariat Nabanna.
Union Home Minister Amit Shah and chief ministers of some BJP-ruled states were among those present at the Raj Bhavan ceremony.
The two-page booklet "Aama Bapuji: Eka Jhalaka" (Our Bapuji: A Glimpse) -- published on the occasion of 150th birth anniversary of Mahatma Gandhi -- presents a brief account of his teachings, works and links with Odisha, while also stating that he "died due to accidental reasons in a sudden sequence of events on January 30, 1948 at Delhi's Birla House".
Assam Health and Education Minister Dr Himanta Sarma on Sunday met Chief Minister Tarun Gogoi and offered to resign from the Cabinet even as he said that the dissidence in the Congress Legislature Party had come to an end.
"Next challenge for us is to win elections, neither individuals nor statements matter, those are bygones," he said.
