Indraprastha Gas Limited, Delhi — Regarding customer care

Address:

New Delhi, Delhi

Sir,
I am using IGL gas from since eight month, My business partner no is [protected] I pay my bill regularly but it is observe that the bill is not actual this is base estimated invoice.I have paid my bill & still my next bill shows arrears.Also the concern customer care not pickup the phone, which cause i am facing much inconveniently to pay the bill & I don't get any response from customer care kindly look forword it.