Airtel — dth airtel complaints

Address: Hyderabad, Andhra Pradesh, 500016

My name is pawan and my airtel dth id [protected]. I have change my package but that change is not done from airtel from past two days. I am trying to contact them but they are not lifting the phone via customer care. I am requesting airtel to let me change my channel. Also they have change the my package without my notice and now when i wanted to change then not happening.