Airtel — non installation of fibre broadband

Address:

Street No : 73., 700156

Salesperson visited on 3rd october assuring of installation on 4th and demanded online payment to be done immediately which was complied with.
But till date 12.10.2019 7.27pm no installation had been done.
Only false promises made today, 24 hrs, 48hrs, 3 days installation will be completed.
The worst telecom major i had come across.
My caf number[protected].
Payment made online : 4128.
I have asked them to refund my money at the earliest.