What is the difference between Registered and UnRegistered parcel

I am still waiting for reply and please tell me that how to track registered parcel the old method is not working anymore

I am not 100% sure but I think we can track registered post. Site mentions , Registered Mail can be also tracked. You can try putting any registered mail tracking number if you have and check at below site.
I have a strong feeling it will work.

http://www.indiapost.gov.in/Trackin...px

Unregistered post will be delivered without any signature or receipt taken by the recipient and for sure cannot be tracked. In case of non delivery , nothing can be done I guess.
But for Registered post , postman has to take signature from the recipient , so a safer option. In case
of non delivery , sender can ask the post office for the receipt.

There is no UnRegistered Post. The thing you were asking the difference between Registered and Speed Post.
https://keydifferences.com/difference-between-s....