and one more thing if a phd is working regularly after the degree then you can have 'n' numbers of exams after its expiry date ...... he ll still pass those exams ....... but if you put same criteria for all the degrees or administrative posts or anything else then most of them ll be on road.......... and dear sir u have humiliated me and all the phds by starting this discussion .............. and sorry to ask but are you qualified enough to raise this question....... please let me know