Sukanya Samriddhi Yojana Personal Banking SBICustomer Service Department. State Bank of India. State Bank Bhavan, 16th floor. Madam Cama Road. Mumbai 400 021. Fax: 022 22742431. Tel: 022 22024456. You can also address a letter to the principal nodal officer: General Manager. Customer service. State Bank of India. State Bank Bhavan, 6th floor. Madam Cama Road. Mumbai 400 021. Fax: 022 22742431