Shopeyard.com — book order cancellation money refund

I (Gopi Krishna) was ordered a book title "Ganitha sasthra bodhana padhathulu" on 18/4/2018 with delivery date on or before 29/4/2018 but not delivered. On 1/5/2018 I was talked to customer care number regarding my book order delivery, they told that the book is akadami book it's take time or cancel ur order and money refund in 7-14 working days. Till now not refunded my money and not responded [protected]@shopeyard.com or[protected]