Ratnakar Bank Limited (RBL) Balance Enquiry facility is available using a registered mobile phone number in multiple ways. RBL Balance Check Number makes services send available balance of the customer account through SMS for those who requested an enquiry by Customer support, Missed call or SMS banking, USSD, and WhatsApp Banking. RBL Balance Enquiry Number RBL Bank is one of India’s most rapidly increasing banks in the private sector. It provides customized financial services and products such as loans, credit cards, savings accounts, and current accounts.