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My Mother had a schengen visa, applied at switzerland embasy in india. Validity is for 6 months(01-Mar-2013 to 31-Aug-2013) with single entry visa, She has already spent 88 days in switzerland and came back to home country(India), but want to apply for another schengen visa at sweden embasy in india, validity would be 90 days from 11-Aug-2013 with single entry visa.
I heard its not possible to apply for new schengen visa until expires the old one. Could you please provide your suggestions in this