As per the recent survey conducted by the Quality Council of India, which railway stations have been named as the cleanest and dirtiest railway stations in India?
A
Darbhanga and Allahabad
B
Allahabad and Indore
C
Indore and Visakhapatnam
D
Visakhapatnam and Darbhanga
Correct Answer: Visakhapatnam and Darbhanga