As many as 13 Congress and three Janata Dal-Secular MLAs had resigned from the Karnataka Assembly in 2019 thus bringing down the 14-month-old coalition government of the Congress and the JD-S led by H D Kumaraswamy.
The fifteen constituencies that will go to polls are: Athani, Kagwad, Gokak, Yellapura, Hirekerur, Ranibennur, Vijaynagara, Chickballapura, K R Pura, Yeshwanthpura, Mahalakshmi Layout, Shivajinagara, Hosakote, K R Pete and Hunsur.
The BJP will need to win at least six seats to remain in power.
The BJP needs to win at least six of the seats to remain in majority in the 225-member assembly (including the Speaker, who has a casting vote), which would still have two vacant seats -- Maski and R R Nagar.