please advice me regarding mediation in supreme court

Dear experts, This is narendra from Bangalore.My wife filed false 498a on me and family members in may 2013.we got anticipatory bail.immediately she has filed domestic violence case.after that in August 2013 I have filed for divorce..for domestic violence and divorce cases courts refereed for mediation.earlier she has demanded huge amount but in mediation she not agreed for amicable settlement and denied for divorce.so mediation failed..immediately she applied for transfer of both domestic violence and divorce cases in supreme court (from Bangalore to her native place in Andhra Pradesh).she has suppressed the matter of filing 498a case in supreme court..I am a permanent psu employee in Bangalore..and my aged parents are suffering from severe diseases.ii applied objections for stopping the both the transfer cases.I informed my that I am ready for agreeing any conditions for stopping, even I told him to state I am ready for paying travelling charges because she is well educated and unemployed.today hearing happened in supreme court..instead of stopping transfer of cases refereed for mediation and order ed that I have pay 25000 as travelling and lodging charges to her for attending mediation.I am ready for amicable settlement through mediation.but I am having some doubt s.I am requesting all experts please give the best advice.. 1) what is procedure for mediation..definitely cases will be settled or no guaranty..main thing if possible to dismiss all cases (498a, domestic violence and divorce) I am ready to attend for mediation but already she has not agreed in Bangalore and went sc..if she is not agreeing it big loss for me..I understood that cases will be transfer ed to Andrade Pradesh. 2) is it compulsory to pay travelling charges to her for attending mediation..if not agreeing what will happen... 3) one more thing if she will not come on mediation date it is loss expenditure and time.. 4)if she come also she may demand huge amount in supreme court thinking that I am agreeing for amicable settlement of cases through mediation..even in this way also mediation may fail..because intentionally she dragging the cases.if she could have agreed in Bangalore itself but not..so doubt.. 5) what is chance of settlement of cases in supreme court through mediation..if she is not attending is there anything positive to me I am asking your your advice because already I spent lot of money and now again I have to spend huge amount..I am not in a position to decide wether to attend mediation in sc...or..better to fight after transfer ing cases at native place..insteadinstead of spending huge amount..meanthing she Will come or not no guaranty.there is no chance of stopping cases..I am expecting your best advices..please