what do you understand by the …

Courts take decisions on a very large number of issues. Broadly speaking, the work that the judiciary does can be divided into the following:

• Dispute Resolution: The judicial system provides a mechanism for resolving disputes between citizens, between citizens and the government, between two state governments and between the centre and state governments.
• Judicial Review: As the final interpreter of the Constitution, the judiciary also has the power to strike down particular laws passed by the Parliament if it believes that these are a violation of the basic structure of the Constitution. This is called judicial review.
• Upholding the Law and Enforcing Fundamental Rights: Every citizen of India can approach the Supreme Court or the High Court if they believe that their Fundamental Rights have been violated.