Flipkart is a worst Retail online company

Firstly, I was purchased a Hitachi 1.5 Ton 3 Star Split Inverter AC – Gold (RSNG317HEEA/ESNG317HEEA/CSNG317HEEA, Copper Condenser) on 19th April 2021 at 31,490/= due to some reason. I canceled it. Flipkart was said that you received your amount on 28th April 2021. But Seller (OmniTechRetail) does not initiate my refund process after a complaint. He initiates my money on 29th April and it’s reflected on my Credit Card on 3rd May 2021.

I requested to Flipkart please refund my amount on 1st May 2021 because I have to Pay Credit Card Bill but Flipkart does not provide any solution.

and the last I was paid the bill with interest on 2nd May 2021. While the seller is at fault.

Then I was purchased the same AC from (OmniTechRetail) with the help of Flipkart in the amount of 34,990/= on 1st May 2021 and the delivery date is 4th May 2021. But again my order is not delivered then I will go through the tracking ID for tracking the product but the tracking ID is also incorrect. Now, Flipkart said that you have to wait on 10 May 2021.

I have a problem with the seller and Flipkart. Why Flipkart does not take any serious action against the seller.