A chief minister is the head of government in a state or territory in countries like India and Australia. They are responsible for making important decisions, implementing laws, and overseeing the administration of the state. Chief ministers are usually elected by the members of the state legislature and represent a political party. The chief minister works closely with other ministers and government officials to manage various departments, such as health, education, and transportation. They also play a key role in formulating policies and addressing the needs of the citizens in their state.