Vodafone India — i have range issue from last 6-7 months and have registered my complaint to vodafone but no response from vodafone

Address:

411016

I have vodafone range issue at my working place and i have register my issue / compliant to vodafone company by mail. I am taking fall up from last 6 months but no response yet.
I am wasting my money in paying postpaid bill and service charges and from last 6 months requesting to help me and solve my range issue. But nothing response from vodafone company side. Only mail is receiving from your side that we will address issue but only mail is not solution for my range issue. No one yet came to check range issue at my place.