India Post — while tracking shows product delivered but it is not yet delivered to the correct addressee.amazon sellers asking proof of delivery

Address:	Gurgaon, Haryana, 122503
Website:	India post

Need Proof of Delivery
I need proof of my delivery sent through speed post from chinchu bhavan, kaithapathal colony, idukki(dist), kerala pin:685503 to amazon sellers pataudi on 30/10/2018. My Consignment number is "EL[protected]IN" . I need certified copy of the run sheet carried by postman on which postman obtains signature and seal from office where cover is delivered or proof of delivery with seal an signature.plz help me out until proof of delivery is provided i cannot get my refund back from amazon.amazon says they have not received the return shipped product and inorder to initiate refund they are asking for proof of delivery when i contacted with the link provided by the amazon customer india post not responding.plz help me out its not a small amount urgently in need of money plz...