Royal Anarkali — Consumer Complaint Against Royal Anarkali Non-Conforming Product and Failure to Process Return/Refund

I purchased a product from Royal Anarkali (royalanarkali.com) for approximately ₹1, 700. Before placing the order, I carefully checked the size information provided on the website and selected the size accordingly.
However, upon receiving the product, I found that the garment was approximately 2–3 sizes smaller than the size I had ordered/expected based on the measurements provided by the seller. The product is therefore not usable for me and does not conform to the size/specifications represented at the time of purchase.
I immediately attempted to initiate a return/exchange through the website. However, despite the company advertising a 7-day return/exchange policy, I was unable to submit a return request through their website. The return facility was either unavailable/not functioning, and the return-request page displayed an error preventing me from proceeding with the request.
I have also attempted to contact the company through the contact details provided on their website. The listed WhatsApp/contact number has not been responsive, and I have also sent an email requesting a return and refund, but I have not received an adequate response.
The company’s own return policy states that eligible products can be returned within the specified period and that the company will arrange the return pickup. However, I have been unable to exercise this advertised return facility because the online return mechanism is not functioning and the company's available communication channels have not provided a resolution.
I also received order/shipping-related communications regarding the shipment, and the product was delivered through Delhivery. However, I did not receive a proper order-delivered confirmation email from the seller. I have retained the Delhivery tracking information and all relevant order/payment/communication records.
I am particularly concerned because I paid for a product based on the size and product information provided on the seller's website, but the product received is substantially smaller than expected, and I am now being prevented from effectively exercising the seller's own advertised return/refund process.