A coalition government is a from of pragmatic political philosophy. In which one in accordance to the situation in hand and the motive of power, compromises with their own ideology.

Politically, when one party sustains their support to another or multiple parties, to hold a majority, to influence the decision making and power enchantment in the democracy.

The disadvantages of collation government would certainly highlight:

Chaos in the “Rome“: Imagine Rome, the time of slavery and Colosseum, would be driven not by a empirical maniac, but a democratic collation? A roundtable full of old man closer to their death than power. Similarly, a government in collation with multiple parties find themselves in utter chaos, blunders in policy making, and public welfare as every decision should benefit someone elite.

Economics development?:  A Collation government is similar to a dead man supported by their loved ones in their last rites. Every policy, and structural change in existent policies shall document or uplift expectations of every category of voter of every party in collation. This would enhance the chances of discouraging sections of society, which could result in slow economics development.

Instability and fear of No Confidence: A no confidence motion is a parliamentary procedure where members of opposition express their low confidence in the existing government. This is to trigger new elections, express public scrutiny and discontent, and challenge the government policies. India up till now has faced 31 no confidence motions, with 2 absolute execution of it.

These are just few and major points, these points are nightmare enough for any collation government.