Counsel for the petitioners submitted, and it is clear from the above rule, that dealers are not bound to preserve books of accounts beyond two years from the date of completion of final assessment of the year to which they relate. If assessment is subject matter of appeal or revision, then books have to be maintained until expiry of two years from the date of disposal of the appeal or revision or from the date of completion of any proceeding under the Act connected with such assessment, appeal or revision, whichever is later. In this particular case, petitioners submitted that there is no appeal or revision or any other proceeding under the Act and the assessments produced in court vide Exts. P1 to P6 have become final. Obviously impugned notices issued are beyond the time for which petitioners are bound to preserve books of accounts. In the circumstances, O.P. is disposed of directing first respondent not to compel the petitioners for production of books of accounts for 1994-95 and 1995-96 pursuant to impugned notices issued. Since petitioners are not bound to preserve books of accounts,