Regarding cancellation of Order by Flipkart without my consent

I ordered zebronics Zeb indie Home theatre on 9 August 2023 on Flipkart. Flipkart shows item will be delivered by 19 August 2023. But on 19 Flipkart cancel my order without my consent. After cancel my order refund amount is not credited to my account till 27-aigust2023. I have lodge complaint at customer support team of Flipkart they give assurance that your refund is credited but after 8 days over no money is credited to my account. Flipkart cheated me. Also there is no postive responce by Flipkart