Sudhir Kumar Katriar, J.

1. This is a batch of 13 writ petitions under Article 226 of the Constitution of India, questioning the validity of the selection process of the Bihar Administrative Service First Limited Competitive Examination 2003 (hereinafter referred to as the Selection Process), conducted by the Bihar Public Service Commission (hereinafter referred to as BPSC). All the writ petitions (except Cr.WJC No. 583 of 2007 and CWJC No. 16093 of 2007) have been preferred by unsuccessful candidates, some of whom want cancellation of the selection process from the stage of the advertisement, some other want the selection process from the post-advertisement stage and fresh examination to be held, and still others want the selection process to be upheld and preparation of fresh merit list in accordance with law after excluding the charge-sheeted candidates. Cr.WJC No. 583 of 2007 has been preferred by the successful candidates and pray for the direction that the investigation may be concluded expeditiously. CWJC No. 16093 of 2007 has been preferred by some of the successful candidates and pray that they may be appointed after eliminating the charge-sheeted candidates. The r