Indraprastha Gas Limited [IGL] — inflated bill bp no [protected]

Address:

201310

Last bill of png received through email on 20.12.2017 from igl to me is zero with invoice no[protected] dated 12.04.2017 whereas bill through igl app is rs 341.65 with contract account no[protected], due date of payment 10.01.2018. Please intimate correct bill as i have paid huge amount due to wrong billing earlier. There is no intimation that extra amount deposited with igl is adjusted.