Jio — did not resolve my big problem

Address:

Darjeeling, West Bengal, 734001

Sir, i would like to inform you that till now resolve my big problem by the JIO customer care executive. issue was indoor network problem. when i am in room then full mobile network goes away.I complained but No solution was made.my complain or request number was SR00000MW0XB & date was - 08.07.2018.Afterwards today I called at customer care and I was discussing with Mr Sampad about this issue but He did not take my complaint.So, i requesting to you please arrange to resolve the same on the urgent basis as soon as possible.
please follow below mentioned place where i face this problem...

Nanak Complex Building
Ground Floor, Sevoke Road
Near Church Road
PO-Siliguri
PIN-734001
West Bengal

Thanking You