RTO India — non receipt of vehicle registration

Address:

110061

I've given rc address change request on 09th of oct 2018 and after few days i got a msg on my registered mobile no on 30th oct 2018 that it has been approved and rc is dispatched from here and cab be tracked by using this speed post tracking number (Ed[protected]in) but since 30th oct 2018 its not traceable msg coming that "consignment details not found" on india post tracking site, i've visisted my rto office (Sheikh sarai - now shifted to sarai kale khan) they are saying that you need to check with india post to get information regarding this packet, i also check with india post & my concerned post office (Bijwasan) they are saying we didn't received your packet and check with your rto office. I don't now can i get my rc in that situation, pls help.