please advice me for quashing 498a and transfer of cases

dear experts.. this is naren..my wife has filed false 498a and dowry prohibition cases on me and my family members in may 2013 in bangalore..I applied for anticipatory bail for all and got it & submitted in police station.after that immediately she has filed domestic violence case..then I have filed for divorce..court refereed for mediation in both domestic violence and divorce cases.she has not agreed for divorce and mediation failed.all cases were filed in Bangalore but in November 2013 she has applied for transfer of divorce and domestic violence cases to andhra pradesh in supreme court.only for harrassing me and my family members she is asking for transfer of cases..I am a govt. servant in Bangalore, I am giving medical treatment in Bangalore for my I'll parents..I applied objections in supreme court..but still nothing happened..but lawyers are telling cases will be transfer ed to her willing place..I want to take divorce from her..till now charge sheet also not happened for 498a..can I apply for quashing of case before filing charge sheet.what is time limit for filing charge sheet.intentionally she is delaying all cases...for clearing all cases early what need s to be done..please advice me with some positive legal solutions...for stooping transfer of cases from Bangalore to Andhra Pradesh in supreme court and for quashing domestic violence and 498a cases...thank u sir...