The correct answer is Health Emergency.Emergency provisions It is contained in Part XVIII of the constitution, from articles 352 to 360.These provisions have been included to safeguard the sovereignty, unity, integrity, and security of the country, the democratic political system, and the constitution.During an emergency, the central government becomes powerful and states are in complete control of the union.The federal structure becomes unitary without a formal amendment to the constitution.Types of classificationNational Emergency Article 352An emergency due to war, external aggression, or armed rebellion. This is famously referred to as National Emergency.President rule or State Emergency Article 356This emergency is imposed due to the failure of the constitutional machinery.It is known as Presidents rule, State emergency, or 'Constitutional emergency. Financial Emergency Article 360This is imposed when there is a threat to the financial stability or credit of India.Therefore, Health Emergency is not mentioned as a form of Emergency in the Constitution of India. Hence, Option 4 is correct.