State Bank of India Customer Care or SBI Customer Care is a dedicated customer service by India's largest bank. SBI provides a 24 - hour help line where you can dial up and enquire about any of the State Bank of India products and banking services. To know about the ongoing interest rates on various credit card services and loans, or to get details of the terms and conditions of the bank in regard to any of the banking service or product, you can directly contact SBI through their customer care numbers.