Third Banerjee ministry
The 21st Council of Ministers for the state of West Bengal was formed under the leadership of Mamata Banerjee. She was sworn in as Chief Minister of West Bengal for the third time on 5 May 2021. The remaining council of ministers was sworn in on 10 May 2021.
Constitutional requirement
For the Council of Ministers to aid and advise Governor
According to of the Indian Constitution,This means that the Ministers serve under the pleasure of the Governor and he/she may remove them, on the advice of the Chief Minister, whenever they want.