Tech-Connect Retail Private Limited — Boat stone 1500 bought from Flipkart and was sold by your company

I've ordered boat stone 1500 speaker from Flipkart and the billing shows that the product was come from your office and the product was defective (manufacturing issues)
Ive requested for replacement and the seller rejected my request..and i wanna know why and i have to speak with him directly .
My order number through Flipkart is OD[protected]