LG - Delay in changing Compressor

It's been ** days I've registered a complaint for my refrigerator. The compressor was faulty but LG technician manipulated me and charged gas instead which costed me around ****/- Inr though there's no cooling they eventually told me the compressor is damaged and should be changed. First they promised me it'll be changed in */* days. Later they said I've to wait till *th of june. But still there's no repair or resolution provided from LG. I'm totally depressed from last ** days. Worst experience ever. My hard earned money is wasted. I want refund of my ****/- rs and also want compressor of my refrigerator changed as it has ** years of warranty.