Article 356 of the Constitution of India is one of the emergency provisions.
It empowers the President of India to impose President's Rule in a state if the President is satisfied that a situation has arisen in which the government of the state cannot be carried on in accordance with the provisions of the Constitution.
This is also known as a 'State Emergency' or 'Constitutional Emergency'.
Financial Emergency is dealt with under Article 360.
The Finance Commission is constituted under Article 280.
Therefore, Article 356 deals with President's Rule.