How many constitutional courts has Congress set up?

Explanation:

sto 2019's proposal to "make the Supreme Court a Constitutional Court" and "establish a Court of Appeal" between the HCs and the SC would speed up resolution of pressing Constitutional issues and ease the SC's case load, but it might involve changing parts of the basic structure of the Constitution.

Under the "Sushasan" (Good governance) section of its manifesto, the Congress has made a number of promises and proposals about India's judiciary. Two, in particular, stand out because they involve amending the Constitution and will impact the way citizens secure justice.

Promise 1: Congress will introduce a Bill to amend the Constitution to make the Supreme Court a Constitutional Court that will hear and decide cases involving the interpretation of the Constitution and other cases of legal significance or national importance.

Promise 2: The party will introduce a Bill to amend the Constitution to establish a Court of Appeal between the High Courts and the Supreme Court, to hear appeals from judgments and orders of High Courts. The Court of Appeal will sit in multiple Benches of three judges each in six locations.

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a case involving the laws of a single state.