Mitsubishi Electric India — Service problem from you company

Hello, we have bought 4 ac of your company .and from which 3 are not in the working condition. we have called many times to customer care but the complaint was not solved by any of them .so, the company member has refused and said they have no responsibilitiea toward this complaint.so, i hope our complain should be solved . And if this behaviour move on then your company'sfuture is in danger .And we need to takelegal action agaimst it. Your distributorship is even worst