If you are a student staying on your own, or living with other student's then you would be exempt. You, of course, have to provide this information to the council when you move in. However assuming you have done this, you will require to deal with the council, not the debt agency. If you provide them with the proof you have given evidence of exemption but they have not applied this, they should remedy the matter. If they do not they wold require to take you to court to obtain the sums due, if you can provide evidence you provided them with the information you were exempt they would not be able to succeed in their case.
I shall provide you with a helpful link that will assist you in finding a solicitor/representative near your local area. This will provide you with someone nearby your area who can assist you if required.
I hope this information proved helpful. You will find a local solicitor who deals with these matters on the law society webpage which is as follows;
https://www.lawsoc-ni.org/solicitors (N. Ireland)
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