Amazon India — about the delivery of my order of nta ugc net/set/jrf general paper book

Address:

Spandana [email protected], Hyderabad, Telangana, 500056

I have ordered the nta ugc net/set/jrf general paper book on 29th october 2019 but still now i didn't received the book and also i payed the amount of that book on that day itself. What is the reason? My order details are order#d[protected] and placed on tuesday 29th october 2019, so please refund my amount of 310.65 if you are unable to deliver the book.