India Post — Wrong delivery address

Address: 122015

Website: www.indiapost.gov.in/VAS/Pages/content/RegisterComplaint.aspx

Dear Team,
From last 2days i try to reach you guys for my parcel as it shows online delivered in Indraprasthan and after making multiple calls they said its your mistake as you mention wrong Pincode but my question with the department is if you guys delivered parcel only with the help of pincode then by the hell you asked for address and contact person name if there is no use of it and if you use it then on my parcel address is clearly mention that is Videocon Mobiles 2nd floor plot no 254 udyog vihar phase 4 and as per my knowledge there is no videocon office in Delhi .
Please help me as in particular parcel documents are really very urgent its all original medical documents of my father.
Docket No. EI[protected]IN (From Gwalior to Delhi) Please Help.