wife and husband working in PSU

I'm working in PSU and my wife is also working in PSU as I got promoted to higher grade and been transferred to other state.and 6 months completed being far away from my wife and children and parents.and my wife PSU does not exist wer I'm posted.now I'm suffering a lot by staying away from all.i want to transfer to my wife working state .plz help me how should I approach and wat are the legal points to stay wife and husband at once place.