Which of the following is NOT a nationalised bank?

State Bank of India

The correct answer is Option (1) - State Bank of India

State Bank of India (SBI) is not a nationalized bank. It is a public sector bank, but it was not nationalized like the other options listed. SBI originated as the Bank of Calcutta in 1806 and later became the Imperial Bank of India in 1921 before being renamed the State Bank of India in 1955. While SBI is a government-owned bank, it was not nationalized in the same manner as other banks in India.