[Resolved]  Nykaa.com — product picked up but refund not received

I have ordered pac hd liquid foundation 4.5 shade. And the order number was #[protected] on[protected]. When i received product, i realized that the shade i purchased was very darker so i asked them to replace. But they said they can't replace but refund my money after picking up the product. They picked up the product on[protected] but they didn't refund...