2. Banks which have ‘Indian’ in starting, have their headquarters in Chennai. For example:

• Indian Bank – Chennai
• Indian Overseas Bank – Chennai

3. Banks which start with ‘U‘ have their headquarters in Kolkata. For example:

• UCO Bank – Kolkata
• United Bank of India – Kolkata

Note: Union Bank of India which starts with u has it's headquartered in Mumbai and Allahabad Bank whose headquarter is also Kolkata.

4. Banks which have South Indian names have their headquarters in Bangalore. 

• Canara Bank – Bangalore. 
• Vijaya Bank – Bangalore.

5. If the Bank name Starts with "Punjab" within their name, have Headquarters in New Delhi. For example:

• Punjab National Bank - New Delhi
• Punjab & Sind Bank - New Delhi