Topic - help me to cancel unlimited contract

i have just entered in to uae i have unlimited contract which is one month notice period and 6 month probation period in srilanka i have told by agency that this company is a factory but here it is a man power supply company so i want to cancel the contract and get to my country so help me and they did not get proper work permit for my job i was doing engineer job but they have clerk work permit so halp mail me in ksixs@rediffmail.com thank you