“ 8 . Therefore, it is not in dispute and cannot be disputed that while selecting officers, minimum requisite qualifications and experience for promotion specified in the relevant column, should be taken into consideration against vacancies existing as on 1st April of the year of selection. But since the Rules came to be amended and the amendment became effective with immediate effect and clause (11-B) of Rule 24-A indicates that options have been given to the Government or the appointing Authority, as the case may be, to revise the select list as existing as per the law as on the date of the appointment or as may be directed by a competent court, selection is required to be made by the concerned DPC. An appointment made, after selection as per the procedure, to the vacancies existing prior to the amendment, is valid. But the question is whether selection would be made, in the case of appointment to the vacancies which admittedly arose after the amendment of the Rules came into force, according to the amended Rules or in terms of Rule 9 read with Rules 23 and 24-A, as mentioned hereinbefore. This Court has considered the similar question in para 9 of the judgment above-cited. This Court has specifically laid that the vacancies which occurred prior to the amendment of the Rules would be governed