J S international - job offer

I was offered job from this agency in Maldives,i gave interview which was legit.i was informed that i have been selected and need to process with my certificates,also need to give exam. i have spent mopre than **k as they assured me for the job,its been more than * months but they dont reply any messages nor give me any further details.
their name are as folows:-
*)Md Saifullah Al Mansur-*************
*)Dr Abdullah director of the agency-**********