Balakrishnan Nair, J.

These Writ Appeals are filed against the common judgment of the learned Single Judge in W.P.(C) Nos.20771, 21783, 24150 and 28075/2008dated 112.2008, interfering with the decision of the Public Service Commission dated 15.2008, to treat M.Sc. Home Science as sufficient qualification for appointment to the post of Vocational Instructor in Clothing and Embroidery in the Vocational Higher Secondary Schools under the Kerala State.

2. The brief facts of the case are the following: W.A.No.444/2009 filed by the Public Service Commission (in short "PSC") against the judgment in W.P.(C) No.21783/2008 is treated as the main case, for the purpose of referring to the parties and exhibits. The writ petitioner is a member of the Scheduled Caste. She has passed Vocational Higher Secondary Course in Clothing and Embroidery with first class. Ext.P1 is the V.H.S.C certificate issued to her. She has passed B.Sc. Home Science with first class for the optional subjects, namely, Home Science (Main) and Botany and Zoology (Subsidiaries) in the year 2004. Ext.P2 is her Degree Certificate. The PSC invited applications for appointment to the post of Vocational Instructor in