Eazyshopping4U — Not receive my product

Sir about 6 jan i receive a call from eazyshopping4u. they say you win a prize if you purchase 500 thing from our site
we provide price but you pay 7725 rupees as tax.After that i pay that amount in icici bank.Further i request them that i am not interested your
prize please return my money.They return me a tablet of less price that not properly working
after that they promise to send a cemera but they not send any product and say next day receive every next day