Correct Answer: (d) Greater Mumbai, Delhi, Kolkata, Bangalore
Solution:As per Census 2001, option (d) was the correct answer. According to Census 2011 (P), urban agglomerations (UAs) with population above 4 million are as follows: 1. Greater Mumbai (18.41 million), 2. Delhi (16.31 million), 3. Kolkata (14.11 million), 4. Chennai (8.70 million), 5. Bengaluru (8.50 million), 6. Hyderabad (7.74 million), 7. Ahmedabad (6.35 million), 8. Pune (5.05 million), 9. Surat (4.59 million).