Explanation:

 It is the Supreme Court that can declare a law or any other act unconstitutional.

• The Supreme Court of India has the final authority to interpret the Constitution of India.
• Being the apex body of the judicial system in the country, the Supreme Court of India has the power to interpret the law in such a manner that it does not violate the basic structure of the constitution.
• The Judicial Review gives the Supreme Court the power to check on the violation of fundamental rights in India. It also reviews the constitutionality of the decisions made by the legislature and executive, constitutional amendments, and administrative actions by the central and state governments. The Supreme Court has the right to decide the constitutionality of a law.
• Every part of the government, including the legislature, executive, and judiciary derives its authority from the constitution.

• Different approaches used by the court to interpret the constitution are:

1Doctrinal approach

2.Textualist approach

3.Purposive approach