Apollo Hospital — not updating my registered phone number in loyalty card

Dear sir/madam,

I have an apollo loyalty card with
Card number:- [protected] and registered number :- [protected]
But now this number has been changed as it was lost.
I have mailed to every possible mail id's given and even called their customer service number but still my complaint isn't heard.
So i want you to change my registered number to - [protected].

Please listen to my query as soon as possible.

Thankyou
Akshit goyal

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