Answer: (Detailed Solution Below)
Option A: Both (A) and (R) are correct and (R) is the correct explanation of (A).
Detailed Solution:
The correct answer is “Both (A) and (R) are correct and (R) is the correct explanation of (A).”.
The rivers of the West Coast of India, such as the Narmada and Tapi, do not form deltas. This is primarily because they flow through short courses on relatively harder rocks. The harder rocks do not erode easily, limiting the formation of a delta.