The constitution of India is the supreme document that guides the governance of the country. It provides a framework for the functioning of various institutions and ensures the protection of fundamental rights and equal opportunities for all citizens. Some of the significant roles of the constitution in Indian governance are:

• It establishes the structure of the government and distribution of power between the central and state governments
• It defines the fundamental rights and duties of citizens and ensures their protection from discrimination and injustices.
• It lays down the procedure for the conduct of elections, appointment of officials, and removal of public servants.
• It provides for the establishment and functioning of various bodies such as the Supreme Court, High Courts, and Election Commission.
• It sets out the rules and mechanisms for law-making, implementation, and enforcement.

Thus, the constitution plays a crucial role in ensuring the smooth functioning of various institutions, protecting the rights of citizens, and establishing a fair and just system of governance in India.