successfully completed his probation period vide their order dated 21.09.2007. Again, for tine period from 01.01.2007 to 31.12.2007, the performance appraisal about him says "up to the mark" and again adjudged him "Very Good". He was accordingly granted increment in pay vide order dated 04.06.2008. Again, his pay was revised to Rs. 15600-39100 with Grade Pay of Rs.2400 based on the recommendation of 6th Central Pay Commission retrospectively w.e.f. 01.01.1996, vide order dated 21.08.2008. Again, finding his service useful to the respondent, his contract period was again extended by three years w.e.f. 01.06.2009 and his pay was also revised from Rs.l7550 to Rs.18240 with Grade Pay of Rs.5400/- vide order dated 03.07.2009. During the period from 01.01.2009 to 30.06.2009 again his performance appraisal was made and it says, "the quality of output is satisfactory and up to the mark. He is a sincere, hardworking and committed person. He obeys his seniors and keep them updated about the recent happenings. He is a good team member and good team leader." and assessed him as an "Outstanding Officer'. Further, based on the performance scored in the interview held on 20.01.2010, he was appointed as Project Engineer on contract w.e.f. 01.02.2010. They also revised his pay to Rs.18240 vide their order dated 01.07.2010. Again based on his performance, the respondent, vide its order dated 03.08.2010, was pleased to give him promotion as Sr. Project Engineer (redesignated as Sr. Technical Officer) in the pay band of Rs.15600-39100 with Grade Pay of Rs.6600/-. His performance was again assessed for the period from 01.01.2010 to 31.12.2010 as "upto the mark and very satisfactory" and rated him as an "Outstanding Officer” He was also granted annual increment revising his pay from Rs. 18950/- to Rs.19720/- with Grade Pay of Rs.6600/-. While the Applicant was consistently excelling himself in his