Study the following statements and select the correct answer from the code given below:

Assertion (A): India has a written constitution.
Reason (R): Growth of strong regional parties is an indicator of regional aspirations.

Codes:

A) Both (A) and (R) are true and (R) is correct explanation of (A)

B) Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C) (A) is true, but (R) is false

D) (A) is false, but (R) is true

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2015 (GS Paper I)