Visa cancellation

Sir

I am sarath krishnan and I'm working in  IDI the reason behind I'm writing you this letter one of my neighbour has referred this job for me in oman.He told me you will have electricion work and the salary will be 150 OMR after allowance. So I said ok and he provide visa to me. In that visa it has been mentioned as horticulturist. So I asked him why in visa It has been mentioned as horticulturist,he said it's common in oman. Then I asked offer letter he said there is no offer letter it's malayali company you can come. They have not provide me any kind of offer letter. On October 3rd I arrived at oman after I meet engineer he told there is no electricion work and your salary will be 80 OMR. So I said I'm not ok with these I have to go back india.But they are now allowing me to go back .I request you all to kindly help me,Treat this has most urgent and help me.