Airtel — 9 time rejected porting request for a weak airtel signal

Address:	Koduvathara Lane, Palarivattom, Kochi, 682030
Website:	www.airtel.com

We are running a small business since 6 years and recently we relocated and there was weak airtel signal. The porting request not make it and airtel treating customers like slave.
I made a porting request on 17/5/19 due to moving office and and weak signal in new place.
Since then, i repeatedly sent them asked payment confirmation more than 30 times and visited their office 6 times.
Airtel keep answering that they haven't updated in their system.
One or the other way airtel is repeatedly asking the same document still
The efforts we took :
1 dedicated employee
Management time
Employee's time
Stress
We have lost around 70% of our business due to poor connection problem
We are in the edge of closing down due to the
Misbehaviour of airtel for a simple porting request.

We need justice and financial compensation for our loss, please help us.
We are looking for a help this porting request.