In all these writ petitions, the Self-financing Teacher Training Institutes as well as their Association have challenged the constitutional validity of the impugned Government Order in G.O.(1D)No.226 School Education (U1) Department, dated 28.08.2006, passed by the State Government and the consequential orders of the Director of Teacher Education, Research and Training, Chennai-6, in so far as they relate to the petitioner Institute as well as the members of the petitioner Association and for direction against the respondents not to insist on the member Institutes to follow the reservation policy of the State Government in admission under the Management quota for Diploma in Teacher Education course for the academic year 2006-2007.

2. The petitioner institutes which are Self Financing Teacher Training Institutes imparting Diploma in Teacher Education course have been functioning from the academic year 2004-2005 and some of the Institutes have started functioning from 2005-2006. As per the procedure in vogue, and as per the Government Order, the admission to be made for Diploma in Teacher Education course in these institutions is at the ratio of 50:50 between the Manageme