(a) the power of the Judiciary to pronounce upon the constitutionality of laws and executive orders.

(b) the power of the Judiciary to question the wisdom of the laws enacted by the Legislatures.

(c) the power of the Judiciary to review all the legislative enactments before they are assented to by the President.

(d) the power of the Judiciary to review its own judgements given earlier in similar or different cases.