My brother got deported and 1 year jail he is in...

Judicial deportation, issued by virtue of a judicial ruling against a foreigner who is sentenced to a penalty restricting freedom in a felony or misdemeanour.
A person against whom a judicial ruling has been issued deporting him from the country may submit a request to the Public Prosecution to consider annulment of the deportation sentence, with a statement of the reasons and supporting documents for his request, and the request shall be submitted to the competent committee to decide on it.
Administrative deportation is issued by the Federal Authority for Identity and Nationality against a foreigner, as required by the public interest, public security or public morals, and this type may be removed by a request for mercy submitted to the General Directorate of Residence and Foreigners Affairs in the concerned emirate.

You can explain the situation in the request for clemency, and you can hire a lawyer to help you in the matter