Dissertation failed at masters level

S

I have failed my final dissertation twice, but passed my research proposal. The thing is they don't comment on the proposal to say whether you are on the right track to go ahead with the final writing. It appeared that they wont give me a postgrad certificate for the modules passed. they either want me to de-register and re-register on the full course and pay the full amount again or end here with obtaining anything.
I did not get a great response form my supervisor as he was taking too long to get back after first draft submission and secondly he suggested very minor changes at last minute before submission.
can someone advise please

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