Question

concept of a coalition government​

Answer 1

when government do or make party then that is called collision government

Answer 2

A coalition government is a cabinet of a parliamentary government in which multiple political parties cooperate, reducing the dominance of any one party within that "coalition". The usual reason for this arrangement is that no party on its own can achieve a majority in the parliament.

Coalition government. Coalition government, in a parliamentary government, body of advisors that is formed when different political parties choose to cooperate in the administration and regulation of a country or community. ... Members of all parties in a coalition government are appointed to a cabinet.