Cashe — CLN# [protected] Payment made of 2500 on 02.03.2021 not reflecting in app

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Its an online loan app

CLN# [protected] Payment made of 2500 on 02.03.2021 not reflecting in app. After the last payment, I am left with paying 2500 on the due date 18th . I have sent the mail to the customer care but someone sneha keeps on repeating the same thing that it will be updated in the app. But it did nit. Why will I pay extra now? Please look into it to get my refund or update the app