Q.Match: dispute between State of Bihar and Union of India / appeal from Haryana District court / Single Integrated Judiciary / declaring a law unconstitutional -- against: High Court / Advisory Jurisdiction / Judicial review / Original Jurisdiction / Supreme Court / Single Constitution.

India's Constitution sets up a single integrated judicial system: unlike some federations where each state runs its own separate court system alongside a national one, India has no separate State courts. One unified hierarchy of courts, applying both Union and State law, serves the entire country.

That hierarchy is pyramidal, with each level under the direct superintendence of the level above it:

• Supreme Court of India — at the top; its decisions bind every court in the country, and it can transfer High Court judges or cases between courts.
• High Courts — hear appeals from courts below them, can issue writs to restore Fundamental Rights, and supervise every court within their jurisdiction.
• District Courts — handle cases from within the district and hear appeals against lower-court decisions, including serious criminal offences.
• Subordinate Courts — the base of the pyramid, deciding civil and criminal cases in the first instance. …