Byju's — Returns of old tablet

[15/08, 9:16 am] snehal: exciting news, sanchita! Your byju's order[protected] is dispatched via dtdc with tracking number x67719030 our team is working round the clock to deliver your order at the earliest. Deliveries could be impacted due to covid-19 restrictions. For any queries, please call us @ [protected].
[15/08, 9:17 am] snehal: your byjus order no.[protected] is successfully processed. We will update you once we dispatch it. For any query, please call [protected]. Cheers!

With reference to above i have received new tablet. There was no instructions to take old tablet. Delivery by declined
Please arrange to take old tablet or cost if i send