You can buy BenQ Product online through Online Store
Return/Refund/Cancellation And Warranty
For any query related to Return/Refund/Cancellations and Warranty, you can contact at 18004199979 or mail at bqin [dot] shop [at] benq [dot] com.
For cancellation, you have make a cancellation request before the order is shipped.
Refunds for credit card payments are usually processed within 7-21 working days. Refunds for debit card and net banking payments are usually processed within 5-7 working days.