Coolwinks — eyeframe/they didnt give my refund money

Address:

Hyderabad, Andhra Pradesh, 530006

I ordered one product 1600rs worth i cancelled but they are saying i wont give money what is this,,, if i didnt cancelled the order i get the same voucher if i cancelled the order i get the same voucher, this voucher is only used in the coolwinks, i called them they are harsh with customers, im so dissopointed with them, i asked my money they are telling gone, plzz help me