Flipkart — return request rejected multiple time without any reason and account is also blocked.

My user id is [protected]@gmail.com.
My order id is [OD[protected]]
I have purchased a levis jeans on 12th of march which was delivered on 14th of march. But due to size fit issue I have to return the item. So I raised a return request on 14th of march itself. But flipkart cancelled my request with a reason that due to technical reason your request is cancelled. After this I contacted flipkart custumer care about my concern and they said me to wait for 3 day to get my issue resolved. But nothing happened. So I again raised fresh return request which again get rejected. Than I again contacted flipkart custumer care but nothin happened. Their only response is to wait wait and only wait. No resolution is given to me. Than I again raised requst . I raised request for the 5th time and than also my request got rejected without giving me any information why my request is rejecting. 5 times my return request is cancelled and without any reason.
And Today On april 6 my account is blocked by them and i am unable to return my item. Really it is worst experience of shopping on flipkart.
The return policy is about to end . It will end on 12 april.
I am returning since very first day of delivery but nothing is happening.
They emailed me that your account is blocked because you have multiple purchase return but I have purchased the first item by my account.It is first product i have purchased and i want to return it.
Flipkart is clearly doing a fraud . It is doing fraud and earning black money.
I am very anxious. I want my product to be returned and my money refund .