A revolt by 22 MLAs had led to the collapse of the Kamal Nath-led Congress government in March 2020.
An Election Commission official said minor clashes between political workers were reported from some areas.
On the reduced victory margins in Kolaras and Mungaoli assembly by-elections, Scindia attributed it to Chouhan and his entire cabinet camping in the two constituencies and the ruling Bharatiya Janata Party using all tactics to lure voters.
'100 per cent, the BJP will form the government in Madhya Pradesh and Shivraj Singh Chouhanji will be once again chief minister.'
Brajendra Singh Yadav of the Congress defeated his BJP rival Baisahab Yadav by a margin of 2,124 votes to win the Mungaoli seat while in Kolaras, Congress candidate Mahendra Singh Yadav prevailed over Devendra Jain of the BJP by 8,083 votes.
Jaivardhan Singh, the United States-educated son of Congress general secretary Digvijaya Singh, and Bhuwaneshwar Singh, son-in-law of late leader Arjun Singh, figure in the second list of 82 party candidates for the Madhya Pradesh assembly polls announced by the All India Congress Committee on Tuesday night.
Priyadarshini Scindia, wife of sitting Guna MP Jyotiraditya Scindia, started campaigning in February, going door-to-door, reaching out to a cross-section of voters, listening to their woes and telling them about the work done by her better half.
Scindia sought to steer clear of reports about rift among party leaders for the chief ministerial post.
Counting of votes is underway in assembly byelection to 58 seats in 11 states including Madhya Pradesh where the results will decide the fate of the Shivraj Singh Chouhan government.