Hindustan Petroleum Corporation [HPCL] — need to change consumer no on booking number

Address:

Thane, Maharashtra

I need to changed consumer no on [protected] as it was wrongly dialed at the time of registration, pls let me know how to change the same so that i will able to book the celender/batla.

Also i have contacted to gas agency and call center but they are help less, they are not ready to help on this. So kindly help on he same

Reg
Ganesh
#[protected]