Amazon India — dell 5567 laptop

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Amazon india

I have ordered dell 5567 laptop on 15/08/2017 and rec'd on 19/08/2017. The touch pad of the laptop is not responding properly and left and right click of laptop is not working from the very first day. Now the screen of the laptop is also blinking. I have returned the item on 2nd day but the return request is not accepted. I have repeated my return request many times but the same was not accepted. On other products whenever we request for return/refund the same is accepted. On 11/09/2017 i contacted to amazon authorities, they said that return window is closed on 31/08/2017 and this item cannot be returned now. The laptop is under warranty period and i should contact to dell authorities in this regard, they will repair you laptop. Please help me to return/refund the product as the product is not working properly from the very first day. I shall be grateful to you.