Indian Oil Corporation [IOC] — amount wrongly credited to another consumer

Address:

Pattammal agency, tambaram, 600045

My mobile number is registered to some other consumer number than my consumer number. Through ivrs number i booked cylinder but it got bookings to some other consumer number unknowingly and i paid through online payment also and after 5days i inquired the gas agency about this they said we are not able to trace the consumer number which i booked and paid and they said i gave this mobile number for that consumer number but i have not got any gas connection before and i have not gave my number to anybody also because am using this mobile number for the past ten years here my fault is not there and they linked my mobile number to some other person belongs to indane gas agency, and the consumer number which i paid is cx16388118 and booking ref no:[protected] and bill invoice
No:[protected] and payment ref
No:[protected] for your reference. Please help me to get the amount i paid online of rs.748/-
I already raised complaint one month before on 9th january 2020 and my amount is not yet refunded and don't know the status of that complaint and again am raising complaint please take action to refund my amount. Kindly do the needful.
Thanking you