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    Support left arrowSupport / Checksum
    Why am I getting a Checksum mismatch/Invalid checksum in the response from Paytm?

    Make sure that all the parameters like merchant key and their correct values are being used to generate the checksum. 

    If you are still facing the same issue, please contact us at - https://business.paytm.com/contact-us?utm_source=Business_Footer.

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