Dear All,
I know this is a very common question but I am a little restless now

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I have applied German national visa for Employement on 20th April 2018. I have submitted all the docuemtns mentioned in checklist and few more supporting documents.
Now the issue is My employer anticipated that I might get visa in 1st week of may, I am afraid that they might revoke the offer since Visa processing is taking this long. I tried asking consulte's office and they said its under process. I didnt have a pre-approval since I am IT specialist and my salary is more than 52k Eur , Can this be a bottleneck because My employer had contacted the Auslanderbehorde and Arbeitsamt to confirm above information that I dont need a pre-approval. One more point , I was in germany for 2 years so does that make any difference , could this affect the time to get the visa ( May be for background checks for any criminal activity or some other thing ).
How long could it take to get the visa? approximately?
Regards,
Dhruvin