List of Ratnakar Bank Koramangala Bangalore Branch Address, IFSC Codes, MICR Codes, NEFT Code, Customer Care Services, Toll Free Numbers and E-mail Address. Branch Code: 000091 NEFT Code: NA IFSC Code: RATN0000091 MICR Code: 560176003 Address: No. 631, 3rd Cross, 3rd Block, 100 Ft Road, Koramangala Bangalore - 560 034. Contact Number: 080 22267150 FAX: 080 22281060 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