Explanation:

- Canara Bank is a well-established bank in India with a broad network of branches nationwide.

- The headquarters of Canara Bank is located in Bangalore.

- Option 4: Bangalore - This is the correct answer. Canara Bank's head office is situated in Bangalore, Karnataka.

- Option 1: Delhi - Delhi is the capital of India, but not the home of Canara Bank's headquarters.

- Option 2: Mumbai - While Mumbai is the financial hub of India, it is not relevant to Canara Bank's main office.

- Option 3: Kolkata - Known for a rich cultural history, Kolkata doesn’t host Canara Bank's head office.

- Option 5: Chennai - Another major city, but not the location of Canara Bank headquarters.