and his name appears at Sl.No.15 of the said notification. Thus, after issuance of the notification dated 05.08.2008 there was no vacancy in the SC category. Since the respondent No.9 did not join the promotion post i.e. TPS Grade-I (Selection Grade), against that vacancy, the petitioner was promoted to the post of TPS Grade-I (Selection Grade) by the notification dated 22.12.2008 and, hence the petitioner is not entitled to claim his promotion retrospectively from the date when the private respondents were promoted or the other TPS Grade-II officers were appointed on promotion by the notification dated 05.08.2008. As the respondent No.9 did not join in the promotional post in terms of the notification dated 05.08.2008, a vacancy in the said grade/post arose and the petitioner was considered against the said vacancy. Thus, the respondents have contended that there is no infirmity in the process or in issuing the notification dated 22.12.2008 by appointment of the petitioner in the TPS Grade-I (Selection Grade) on promotion prospectively.