1. This writ petition is filed by the petitioner seeking to challenge Clause No.43 of the prospectus issued for the year 2012-2013 for admission into the Post Graduate Degree / Diploma courses M.D.S / 6 year M.Ch. (Neuro-surgery) courses and the consequential notification of the first respondent issued for Tamil Nadu Post Graduate Degree / Diploma / 6 year M.Ch. Neuro-surgery / MDS admissions 2012-2013 session II phase of counselling on 28.06.2012 and 29.6.2012 and quash the same insofar as it prohibits the candidates who obtained admission in the first phase of counseling from participating in the second phase of counseling and opting for change of speciality and for consequential direction to respondents 1 and 2 to permit the petitioner to participate in the second phase of counseling for admission into Post Graduate Degree / Diploma courses and permit him to choose any post graduate course including MD-Psychiatry medicine course found available on the commencement of second phase of counseling as per his merit in the rank list and pass such further orders.

2. When the matter came up on 29.06.2012, this court ordered notice on admission and directed the learned Specia