The Supreme Court of India is the highest court in the country with powers to hear appeals, issue writs, and provide interpretation of the Constitution. Its key powers and functions include:

• Constitutional interpretation: The Supreme Court has the authority to interpret the Constitution and decide whether laws and executive actions are consistent with it.
• Judicial review: It has the power to review and declare the validity of laws and actions by the government, including executive orders and legislative decisions.
• Appellate jurisdiction: The Supreme Court hears appeals from lower courts and tribunals in the country, including civil, criminal, and constitutional cases.
• Protection of fundamental rights: The court has the responsibility of safeguarding the fundamental rights of citizens, including the rights to life, liberty, and equality.
• Special leave petitions: The Supreme Court can grant special leave petitions that allow a person to appeal to the court directly instead of going through lower courts first.
• Advisory jurisdiction: The court can provide advice and opinions on legal matters referred to it by the President of India.
• Contempt of court: The Supreme Court has the power to punish individuals and organizations for contempt of court.

Overall, the Supreme Court is a crucial institution in Indian democracy, playing a key role in upholding the rule of law and protecting citizens' fundamental rights.