Hindustan Petroleum Corporation [HPCL] — Please do the needful

Address:

Mumbai City, Maharashtra, 400057

Dear sir, we are booked once on online in the gas office phone number. But we have to change online registered phone number to [protected].Please we are mention below my new Mobile number If the relevant records are paper documents, these records must be kept at the premises where the gas has refiell it.
(i) in the case of a gas they have a mass that is less than or equal to the number when that number is expressed