Look whether your phone support VolTE,if yes your location will in the low range area.
From calicut.kerala, my cellphone carrier name is RELIANCE JIO.
I like JIO b'coz of following reason
Cost of plan : excellent
Call quality : good
Network Coverage : good
data limit : above average
Customer Service: good
Comparing other Cell Phone Carriers in my areas Such as airtel and idea it is far much good.
