Uttar Pradesh Power Corporation [UPPCL] — Bill payment sms fraud

I am not from up or residing or own any property in up but For the past 4 months I am getting a bill payment sms.even the number on which I get the sms is never registered to any electricity bill or organisation.oviously this is fraud or someone by mistake give my number or may be misusing unknown numbers for bill fraud.i already complaint about this a couple of months ago but still getting this sms.please resolve the problem ASAP.