About noc for familyvisa

Sir,
    Last9mnth iam in oman with my family.Now  my wife got job one private firm.iam asking my sponser for her noc .I submitt one noc but my sponser told he not sign that paper he signed only visa getting paper.paper.iam asking for somebody all are told that not possible.what can I do.if my wife visa cancel means she can work here without my sponser noc..please advise me

If the employer who is ready to hire your wife does not insist on an NOC, then she can work. It is more the Ministry's decision and not all of the employer.