Contact
We answer everything, usually within two business days.
[EMAIL]
For orders, download problems, refunds, or anything about the book.
If it's about an order, include your payment ID — it makes this much faster.
@shin_hyun_official
Fine for a quick word. Please don't send order details by DM.
Registered address
[LEGAL NAME]
[ADDRESS LINE 1]
[CITY, STATE, PIN]
India
GSTIN: [GSTIN]