He is a Chartered Accountant by profession. He completed schooling at Shree Masheswari Vidyalaya in 1964 and did B. Com (Hons) from St. Xavier's College, Kolkata in 1967. Thereafter he joined S. R. Batliboi & Co., as a trainee in 1964. He qualified as a Chartered Accountant (ACA) in 1971 and was elevated to FCA in 1977. He left S. R. Batliboi & Co. in 1978 and started his own Firm "R. G. Choudhury & Co.", Chartered Accountants in 1978. Mr. Bal Krishna Choudhury has handled various jobs of Statutory Audits, Internal Audits, Financial Advisory, System Analysis, Investigation & Inspection, Valuation Jobs, Tax Audits, Investment Consultancy, Portfolio Management, etc., of Public, Private & Government Companies, Trusts, Social Institutions, Hospitals, Schools, NGOs, etc.