Hello Sharmila

To get direct admission in CA you need to be a Graduates or Post Graduates in Commerce having secured in aggregate a minimum of 55% of the total marks or its equivalent grade in the examination conducted by any recognized 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

Or

Graduates or Post Graduates other than those falling under Commerce stream mentioned above having secured in aggregate a minimum of 60% of the total marks or its equivalent grade in the examination conducted by any recognized University (including Open University).

diploma course are not equivalent to graduation. So, you are not eligible for The direct entry for CA