DTDC Courier & Cargo — product not delivered

Address:	400062
Website:	www.dtdc.in/tracking/shipment-tracking.asp

I make a courier from indore to mumbai,
on 29 june, on 2nd july they update status that invalid address. but is it there duty to call respected person if address not found but they didn't call and who will bear this loss this is urgent courier thats why we use dtdc, else we can use speed post,

what a ### services.
not respond and we call them so they give new number each time,
docket num M65735687

im paresh porwal [protected], [protected]