HP India — display issue with the laptop

Address:

New Delhi, Delhi, 110025

Dear sir/madam,

Good evening!

Sub: laptop display issue

I wrote to hp regarding my laptop's display issue on 1st june -2017. A technician visited at my place on 22nd aug, he examine my laptop and suggested to download and install some application, i did as per his suggestion he told he will get back next day but i got a message from hp customer support team that my case (Number mentioned below) has been closed. I wrote to hp again that the issue yet not resolved even they did not check with the customer, how can the close the case but since then nothing has been done.
There is no reply on the emails i send the hp since august-2017.

Please see below the product details & complain number.

Invoice #: clnp/1016/369
Product details:
Hp pavilion notebook 15-au111tx
Sn 5cd6310whb

Case number : [protected]
Serial number : 5cd6310whb

Kindly look into this and do the needful.

Regards,
Nasim akhtar