Periyar University — Not yet got M.PHIL Convocation certificate(original pass certificate) of 2008

I am Nalini Bora writing from Assam.I have obtained M.Phil Degree in English from your prestigious university in the year 2008 through distance mode.In addition, my study centre at Guwahati, Assam no longer exists.
My details are as follows:
NALINI BORA
M.Phil-English, year of passing-2008
Registration no-06DCCN3317
Centre Code-1425
Marksheet Serial no-053265
That I have already sent mails many times to the Director, PRIDE explaining my problem and requesting to take necessary action but no response is received yet. Please help.