Reliance Bigtv — no tv channel on reliance big tv

From last three week reliance service has stopped. For first week they display error due to some technical reason service is stopped after that next message was the service and channel will start in four days bu not a signal channel is started now all the channel are stopped with error 400. I called several time to their customer care the only big lie answer i received it will start in 24 hours but nothing has working still. I payed for 2 year plan for all channel and now i don't want to continue with this fraud service provider
I want my money back