( 1 ) THERE are 29 petitioners in this writ petition. Their grievance is common. They all belong to the category of `schedule Castes (hereinafter referred to as `sc , for short ). The complaint of the petitioner is that their certificates of being `sc are not considered by the respondents for selection to the post of teachers including Assistant Teachers in Municipal Corporation of Delhi/new Delhi Municipal Committee (hereinafter referred to as `mcd/ndmc , for short) merely on the ground that their certificates are submitted after 30th June, 1998, the last date specified for the purpose.

( 2 ) THE controversy in this case arises in the back drop of following factual matrix.

( 3 ) RESPONDENT No. 1 Government of National Capital Territory of Delhi (hereinafter referred to as "nctd", for short) has constituted Delhi Subordinate Services Selection Board (hereinafter referred to as `board , for short) which is respondent No. 2 in this writ petition. This Board is constituted for the purpose of recruiting people from various user departments in development, selection and recruitment procedure. The Board issued advertisement on 12th June, 1998 in newspapers for various p