Indraprastha Gas Limited [IGL] — bill amount

Address:

Ghaziabad, Uttar Pradesh, 201015

My self Ms. Ruby. I m the customer of yourIndraprastha Gas Limited [IGL] My B.P. No. [protected]. Gass Conection address is PANCHSHEEL PRIMROSE, Opp. Govinedpuram Anajmandi, GZB.
Indraprastha Gas Limited [IGL] never send me bill (gas) through Hard copy or Soft copy, in that condition how can i know my current gas bill.
pl cheek the my bill payment history, never delay the bill payment but this time i received SMS on 31st may.
Through the SMS you told me you have to pay this amount before 24th may'18. How can i will..
Why i will pay delay fine..
pl do something positively.