List of Ratnakar Bank Kolkata Thapar House Branch Address, IFSC Codes, MICR Codes, NEFT Code, Customer Care Services, Toll Free Numbers and E-mail Address. Branch Code: 000161 NEFT Code: NA IFSC Code: RATN0000161 MICR Code: 700176002 Address: The Ratnakar Bank Ltd,first Floor,thapar House,25 Barbourne Road,kolkatta 700001 Contact Number: 9833666862 Customer Service: Call Ratnakar Bank at: +91 22 61156300 to 99 1800 123 8040 Email: customercare@rblbank.com Ratnakar Bank Credit Cards Helpline Number: 1800 121 9050