Shadowfax — Return pick up done but showing not done

Address:

Hyderabad

My Ajio return delivery is pick up by delivery box from shadowfax and when am asking ack slip he told i can get the message to my mobile, but later i received message like product quality check failed and not not pickup, but that guy alredy took that with him, may be he is thief, how a delivery company put such kind of guys i have raised complaint to delivery but no response i lost my item without refund such a worst experience