Reliance Jio — Network problem

Address:

Lucknow, Uttar Pradesh, 229001

Hello sir
I purchase reliance jio flame 1on 9th of august
From that day i am facing a problem related to the call
Whenever i call to someone
Your customer care is saying that
Is root ki sabhi lines abhi vyast hai pls try after some time

And this types of problem i am facing again and again
Can u solve this type of problem
Because i am irritating so much.