Karnataka State Open University — diploma civil certificate

I am akhil krishnan g. I have completed civil engineering
Diploma in march 2016. But yet i have not received
Certificate. Me and my friends trying to contact with our college data tech institute of science and manegement, mavelikara in alappuzha district in kerala.in this case i cannot appllied for any psc exams till now. For this reason we are in trouble in our job.

For your reference my roll is given below.

Akhil krishnan - 13771ldce0109

So i kindly request you please check this information and solve the problem asap.