Indian Oil Corporation [IOC] — delay in supply of indane gas lpg refill.

Address:

Dakshina Kannada, Karnataka

My indane lpg consumer no: 5446. Refill booking no:445457,
Booked on 8-1-2018, with nutan enterprises, mangalore.
Today when i inquired though my registered phone no, about the status of refill delivery, to my utter shock i was informed that refill has been delivered on 6-1-2018, that is two days prior to my booking. Who got the delivery on 6th january even though i had not booked any cylinder prior to 8th january?
Name of the domestic lpg distributor:- nutan enterprise, alake, mangalore.
City: mangalore - 575003, (Dakshina kannada district - karnataka).

Please investigate whether there is any misuse of cylinder in my name and also ensure immediate delivery of my indane lpg cylinder?.
I am a senior citizen aged 67 yrs.
My name is praveen kumar shetty. Residing in mangalore.