Job offer discussion

Hi ,
i have a job offer discussion going on in an automotive company near Wegberg for software test engineer with 5+ years experience , offer can be around 4500 - 5000 eur/month gross(60000 eur/year).
i will be moving from india with my wife(not working),
what can be net salary after all taxes and necessary deduction , and would it be enough to live and spare some for future?
what should be best negotiation in case ?
which area shall be good to live and go to work , easy to connect with airport to travel back to india ?
your kind reply awaited , thanks .

hi ,
thanks for reply , it will help a lot .
although the salary discussion is not done yet , it was my reserch from web and consultnacy opinion , so what should be final and best figure to negotiate in case ?