Shadowfax — change of customers contact info or to send the delivery boy contact info

Am reseller from meesho. I have order the the product and the product was shipped and it was out for delivey today but the customer number is not working. The customer is asking for the change if phone number. The order id is #51342491. So please kindly see my request. Other wise send me thejitu das. The delivery boy contact number so that i will contact the delivery boy and will ask him to deliver to the customer