MakeMyTrip India — Customer service

I booked a flight ticket from coimbatore to surat by "make my trip" that was a connection flight .. coimbatore to chennai then chennai to bangalore then bangalore to delhi then delhi to surat. coimbatore to chennai and chennai to bangalore flight got cancelled by airline company. i took another flight to bangalore from coimbatore and i cancelled the coimbatore to chennai . chennai to bangalore and got bangalore to delhi flight... after that i asked airline company for my cancellation refund they said alrdy refund process started and wecant pay to you directly we will pay to make my trip .. make my trip will pay to you... after that so many times i contcted with make my trip customer care they said they will arrange call back.. every time they said they wll arrange call back with in 24 hours... but till now i didnt get any call from make my trip.. then they dont have any care about their customers.. till now i didnt get any call from make my trip neither my refund .