Flipkart — Data manipulation and integrity issue for customer

I purchased a skating shoe, in which mentioned size was 6-9UK. But now when the shoe came it is a bigger size than what i need for the kid. So i turn to the flipkart app and under return i wanted to submit a return or refund request but there is no option mentioned for the same and only replacement is available and now i opt for replacement i know again i will receive the product with same size. So i raised a request to call with the customer so we can contact to the seller to ship a smaller size or raise a refund request. But the customer support executive kept me on call for more the 40min and cut the call without even saying a thing and didn't even call again. So my issue stayed the same. On asking the executive to contact the seller he said that he can't do that and didn't even tried to do anything and said i can't help you with anything. And when i asked him to connect me to the customer support higher ups he said there is no one available so i can't do that. The product price is 1009 rupees which may not seem much to some one but it matters for me as i won't even be able to use the skate and can't get any refund back. I think size fit issue is also an issue and should have been listed on there and assisted to the customer accordingly. I am attaching all the images related to the issue down below. I want only my money to be refunded nothing else.

Order Id- OD[protected]
My Name - Haraprasad Tripathy
Mob - [protected]