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We reply within two business days.

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Email nishaupadhyay91@gmail.com. Please include the email address you sign in with, and the company concerned if the question is about a particular set of books.

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Payments are processed by Razorpay. For a tax invoice, to change how you pay, to cancel or to ask for a refund, write to us with your payment reference and we will help. See the refund and cancellation policy.

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To see, correct or erase personal data, or to raise a grievance, email the same address with the subject "Privacy request" or "Grievance". See the privacy policy.