UTS Global — certificate not received

Address:

Pune, Maharashtra, 411039

I have completed my exam mba and pgdm course in june 2016 all fees paid no dues but still certificate not received website is not working no reply to mails and contact number are also not working.
What should i do need to take leagal action immediately. Since last six months i am taking follow up now they have stopped responding to mails.
My mail are rejected and unable to deliver is this mit institute such a big name but it's all fraud.