There is no set time frame as such however when applied for transfer, the final decision should be communicated within 6 months. Further, check your bye-laws if there is any condition of transfer of wife and husband to the nearest possible location. if your PSU and your wife's PSU is following CCS Rules, etc There are circulars issued by the Department of Personnel and Training giving guidelines for the purpose of posting the husband and wife who are under the government service at the same station for the welfare of the children and their studies, etc.