Acording to my courier tracking system my documents reached TRA on 2nd july but no acknowledgement

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plz any body help me and tell me about my chances of immigration to australia I am zeeshan khan, age 28 and i am hairdresser in a saloon, i have 7 years of exprience in my profession and i also have 2 year " Diploma in hairdressing" (from private hairsaloon and training centre) My ielts re...