graduate or post graduate in commerce having secured in aggregate a minimum of fifty-five per cent. of the total marks or its equivalent grade in the examination conducted by any recognised University (including Open University) by studying any three papers of 100 marks each out of Accounting, Auditing, Mercantile Laws, Corporate Laws, Economics, Management (including Financial Management), Taxation (including Direct Tax Laws and Indirect Tax Laws), Costing, Business Administration or Management Accounting;