Spouse got H4 approved; Procedure to fill H1b this year

Hi,

Me and My wife work in the same organisation. We got our H1B and H4 and i will be travelling in May meanwhile my company is processing H1 for my wife which will be filled by April.

I am planning to take my wife with me by May,

Will be there any problems for her to return to India by August and take her VISA interview once petition is approved.