India Post — Article was not delivered if delivered give me a prove.

Address: Sahibganj, Jharkhand, 816109

Hello
I m deepak from sahibganj my consignment no is cj[protected]in. I was booked my artical on 10th feb bt still the artical was loss i had raise a complaint no [protected] but on 18th march i saw my complaint status it was show (The artical was delivered badarpur do on 15th march) if my artical was delivered pls give me a prove bcoz amazon say i was not receive any artical arrival in this no.
Pls help me sir/madam

Thanks & regard
Deepak