Network Issue

I have been complaining for more than 1 month.In our area previously network was good but for last one month internet connection was very poor.no stable network,3g works like 2g. Every time i contacted to customer care they told me to wait for a couple of days,probelm will be solved.Now it is almost 30 days i got no solution..
here are the complain nos-CGPSC20710209221,CGPSC2071281925,CGPSC20725931013,CGPSC20726687797,CGPSC20726694158,CGPSC20728922692,CGPSC20731386411,CGPSC20811486229