4.Learned counsel for Central Selection Board Constable Recruitment appeared and submits that it is a unique situation in which petitioners have participated in the selection process by virtue of the advertisement and after entering into the selection process, they have subsequently challenged one of the clause of the advertisement. He further submits that it has been mentioned at two places i.e Clause-4 and Clause-20 that prior to filling up the form, the candidates must assure that they obtain certificate of Home Guard upto 01.06.2017, but even then, the petitioners opted to appear in the process of advertisement, and subsequently, challenging the same for amending in the process may not be considered. Learned counsel for the Board has filed counter affidavit and in the counter affidavit, it has also mentioned that this advertisement is of 2017, the final result has been published on 11.06.2018 in which 9839 candidates have been declared successful in total of 9900 vacancies. Counsel specifically submits that 31 vacancies remained vacant due to non-availability of Gorkha Candidate. He further submits that subsequently, after finalization of the result, the Board vide Memo No. 877 of 13.06.2018 sent the recommendation of successful candidates to the concerned authorities for