Question

what is the collation of govt. ?why the pm of collation govt. cannot take any decisions as he likes?

Answer 1

A coalition government is a cabinet of a parliamentary government in which many or 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.

Answer 2

Coalition government is a type of government where involved parties generally have no pre-pollince, but political mathematics force them to do same, for forming government. As the partnership is not always based on ground of moral or philosophy, all are power hungry and try to get maximum benifits from the government. The PM is handicapped in taking string decisions as that may lead agitation even breaking of the government. It needs lots of patience and intelligence along with soberness and possible common minimum program accepted by all the constituent parties.
However, countries with bi-party system do not face coalition government problem, as people have only limited choice to vote either party. India also faced long period of coalition politics after emergency and the period after strong Congress government from 1989 to 2014,when BJP comes to power with absolute majority. A.
Among states, Goa is famous for coalition government as well as drinking the poison of unstable government.