I have been using vodafone since a very long time, infact since those days when mobiles were black and blue/green and vodafone was hutch. A loyal customer of vodafone due to their great network coverage.
As their ad says where ever you go we follow, their network has been intact which ever corner of this country I have travelled. The only con is their high call rates, which doesn’t quite matter to me along as their service is great.