Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R) :
Assertion (A) : Judicial review is a process to restrain the executive or the legislature from exercising power which may not be sanctioned by the Constitution.
Reason (R) : The source of the power of judicial review in India is Article 12 of the Constitution.
In the light of the above statements, choose the correct answer from the options given below :