Explanation:

The SC has laid down the following guidelines:
• presidential proclamation dissolving a state legislative assembly is subject to judicial review;
• if a state government works against secularism, president’s rule can be imposed,
• no wholesale dismissal of opposition ruled state governments when a new political party assumes power at the centre;
• if president’s rule is imposed only on political considerations the court can even restore the assembly;
• imposition of president’s rule and dissolution of state assembly cannot be done together
• state assembly can be dissolved only after parliament approves central rule;
• the Supreme court or a high court can compel the union government to disclose material on whose basis president’s rule is imposed on a state;
• the power of the president under Article 356 is a constitutional power , it is not an absolute power.