Indian Oil Corporation [IOC] — Change/ Update Mobile Number

I am a customer of Indane gas and my agency is Sri Ranga Agencies, Pondicherry - 605005. My consumer no. is [protected] in the name of Jibin Babu. I would like to change the mobile number for booking for the Indane gas as I can't use the old no. due to network issues. I tried to update mobile number through online but can't update it. I would like to request you to kindly enter my new number [protected] for booking of Indane gas in future. My details is as follows :-
Name : Jibin Babu
Consumer No. - [protected]
Consumer Id - [protected]
Distributor - Sri Ranga Agencies, 7A, 100 FT. Road, Mohan Nagar, Pondicherry - 605005
Old mobile number - [protected]
New mobile number - [protected] (Pls keep this number for future)
Pls change my mobile number at the earliest. Thanks & regards.