Step 1: Mawlynnong → Cleanest village in Asia.
Mawlynnong, located in Meghalaya, is famously known as the cleanest village in Asia due to its community-driven cleanliness practices. Hence, A is correctly matched with III.
Step 2: Vishakhapatnam → Port city.
Vishakhapatnam is a major port city on the eastern coast of India and serves as an important maritime and industrial center. Therefore, B matches with I.
Step 3: Ladakh → Frozen desert.
Ladakh is characterized by extremely cold climatic conditions and low precipitation, which is why it is known as a cold or frozen desert. Thus, C corresponds to IV.
Step 4: Jamshedpur → Steel city.
Jamshedpur is widely known as the Steel City of India because it is home to Tata Steel and a major center of iron and steel production. Hence, D is matched with II.
Step 5: Conclusion.
The correct matching is A–III, B–I, C–IV, D–II, which corresponds to option (A).