Which of the following is NOT a public sector bank?

Correct option is D

The correct answer is (d) South Indian Bank.

South Indian Bank is a private sector bank, not a public sector bank.
The other options are public sector banks:

• Corporation Bank (now merged with Union Bank of India) was a public sector bank.
• Indian Overseas Bank is a public sector bank.
• UCO Bank is a public sector bank.

Information Booster

• ​Public Sector Banks: These banks are owned by the government of India and include banks like State Bank of India (SBI), Bank of Baroda, etc.
  
• Private Sector Banks: These banks are owned by private individuals or organizations. South Indian Bank is one such example.