1. Petitioner assails the order dated 29.11.2007, by which the Central Administrative Tribunal, Principal Bench, New Delhi in O.A. No. 449/2007 has set aside order dated 19.10.2006, passed by the Government of NCT of Delhi, whereby the candidature of respondent for post of “Domestic Science teacher” was cancelled. The ground of cancellation was that OBC certificate dated 05.02.2005 submitted by her had been issued by the SDM, Seelampur after the closure of date of submission of application form.

2. The facts as alleged in the petition are as under :

On 30.04.2004, petitioner, i.e. Government of NCT of Delhi had advertised certain vacancies for Group ‘B’ posts through Delhi Subordinate Services Selection Board, hereinafter referred to as DSSSB. Respondent applied for the post of “Domestic Teacher” under the category of OBC candidate on 18.05.2004. The last date of receipt of application forms was 24.05.2004. On 28.11.2004, the examination for the said post was held. Petitioners vide letter dated 24.01.2005 requested respondent to furnish attested copies of relevant documents in support of her claim for reserved seats and attested copies of her academic qualificatio