Please read the entire error message carefully and edit your subscription profile to remove any special characters in your mobile no. & city. Use only 10 digit mobile number in the field for your contact number and do not enter PIN code / ZIP code in the city field. Enter only a numerical PIN code in the field for postal code for your mailing address. Read FAQ on how to change your address and other profile details.
If the issue persists then please email helpdesk@audaxindia.in with a screenshot of the error page.