Where is the headquarters of "Union Bank of India" located?

None of the above

Following is the list of "Scheduled Public Sector Banks" with their headquarters:

1. Union Bank of India (merged with Andhra Bank + Corporation Bank) - Mumbai, Maharashtra
2. Bank of India - Mumbai, Maharashtra
3. Bank of Baroda (merged with Dena Bank + Vijaya Bank) - Vadodara, Gujrat
4. Bank of Maharashtra - Pune, Maharashtra 
5. Canara Bank (merged with Syndicate Bank) - Bengaluru, Karnataka
6. Central Bank of India - Mumbai, Maharashtra
7. Indian Bank (merged with Allahabad Bank) - Chennai, Tamil Nadu
8. Indian Overseas Bank - Chennai, Tamil Nadu
9. Punjab and Sind Bank - New Delhi, Delhi
10. Punjab National Bank (merged with Oriental Bank of Commerce + United Bank of India) - New Delhi, Delhi
11. State Bank of India (merged with other branches of SBI + Bhartiya Mahila Bank) - Mumbai, Maharashtra
12. UCO bank - Kolkata, West Bengal