I ordered football boots, got delayed, did not get my boots, not refunding

I ordered football boots from an insta page called bootsempire on 30th September. They told me that I will receive my boots within 10 days (10th October). After 10 days I confronted them then they said that it will take five more days for my boots to arrive. It has been 28th october now and I still did not got my boots and when I asked them to refund my money they are saying that they are denying to refund my money. They have only told lies and gave me false hope. I request you to take take legal action against this instagram page.