5439 52/90 and batches given a direction to the respondents inclusive of the Union Public Service Commission that "all those candidates who have appeared for the Civil Services (Main) Examination, 1990, pursuant to our permission given in the order dated 7.12.90 and who have 115 come out successfully in the said examination and thereby have qualified themselves for the interview, shall be per mitted to appear for the interview test and that if those candidates completely and satisfactorily qualify themselves by getting through the written examinations as well as the interview shah be given proper allocation and appointment on the basis of their rank in the merit list notwithstanding the restriction imposed by the second proviso and our present judgment upholding the validity of the said proviso since the respondents have not questioned and challenged the directions given by CAT, Principal Bench, Delhi in para graphs 5(ii), 6 and 7 of its judgment dated 20.8.1990.