Maharashtra Natural Gas [Mngl] — Incorrect charges on bill

For BP Number 50283455 I am not getting the bill on email nor on SMS. There is NO communication about pending bills from your side and you have levied a late charge of Rs 100 for this. My mobile number & email id is already available on your system but still no communication. Please tell me how am I supposed to know if any Bill is pending ? Am I supposed to login every day to check ?

I did not see any bills from mngl to my post box in hard copy either.