Anu Sivaraman, J.

This writ appeal is preferred by the Union of India and the Staff Selection Commission against the judgment of the learned single Judge directing the appointment of the respondent and his adjustment in an available vacancy, if found otherwise eligible. The candidature of the respondent in the post of Sub Inspector in Delhi Police & Central Armed Police Forces (CAPFs) and Assistant Sub Inspector in CISF had been rejected by the appellants on the ground that the OBC certificate produced by him was issued 180 days after the closing date of the application. The respondent was an applicant pursuant to the notification dated 28.3.2015. The last date of application was 2.5.2015.

2. Clause 4(C) of the notification provided as follows:

"4(C): PROCESS OF CERTIFICATION AND FORMAT OF CERTIFICATES:

Candidates who wish to be considered against vacancies reserved/or seek age-relaxation must submit requisite certificate from the competent authority, in the prescribed format when such certificates are sought by concerned Regional/Sub Regional Offices at the time of interview/document verification. Otherwise, their claim for SC/ST/OBC/ExS/ Departmental candidates (Delhi Polic