Consumer Redressal

My MTS No:9141900822 I took a MTS data card on Nov 2012, After this i disconnected the connection (Request no:R13-50218374) on After disconnecting the devise, from 01/02/2013 to 01/04/2013. Again MTS activated my device without my notice. No SMS has sent to my mobile no regarding the activation.They sent large bill of 864 Rs. They blackmailed me last year, now today 2/17/2014 they sent court notice saying i need to pay: 898 Rs Legal charges: 500 Rs Total : 1398/Rs I called customer care, i said, i will pay you following amounts, even though i have not used single time after 31/01/2013. 01/01/2013 -> 13.45 01/02/2013 -> 38.45(Feb due they are saying-- why?) 01/03/2013 -> 52.86(March due) I am not paying following bill. 01/05/2013 -> 712.36 --> do not know why i need to pay this bill i disconnected the devise on \"1/29/2013 2:45:24 PM\". They harassing me now. I called customer care, i said i will pay till 01/01/2013 to 01/03/2013. They are not responding.