India Post — speed post article for ack? proof of delivery

Address:

341508

Sir, i have booked a speed post article on 23rd march 2018 to from kuchaman city naguar rajasthan 341508 to tilak nagar post office west delhi 10018
After 30 march 2018 its traking details er[protected]in it shows deliver box to destination is empty yet.
It was for amazon seller return. My refend from amazon is still unpaid. They want pod (Proof of delivery).
I have gone to my post office but they have said that there is no pod for you.
Our work only for register to your speed post to next post office.