AC window
AC not cooling

My AC not working - not giving cooling. I purchased it 2 mnths back and have complained 4 times to service centre. The 1st guy from service centre said that the compresser is ok - manifacturing fault. Next one said its ok change the stablizer, i changed. But again it is not workingI am totally unsatisfied with LG, i was having voltas AC before this which worked properly with this voltage 2 mnts back. So kindly replace the AC, otherwise i am compelled to go to consumer court