The Archives is in possession of the rich documentary heritage of the Bank dating back between 1806 and 1955. It includes the first minute books of the Bank of Calcutta and with other important and valuable records among others. More than 25000 records with proper reference media for retrieval of the records for the research purpose. The series of records are as follows:

• Minutes of board meetings of the Banks of Calcutta/Bengal, Bombay, Madras and the Imperial Bank of India
• Balance Sheets and Statements of Affairs
• Opinion Reports
• Correspondence with Bank’s Central Office
• Correspondence of Branches
• Inspection and Audit Reports
• Half-yearly and Annual Reports
• Power of Attorney
• Share and Dividend Registers
• Agreements and Memoranda