HP India — Laptop warranty dispute and warranty extension dispute .

Address:	110047
Website:	support.hp.com

I have purchased (my brother kartikesh gupta) a hp laptop on 24th June 2017 (from DELHI COMPUTERS, Nehru Place, New Delhi) I also have the retail invoice, but i got warranty from 23rd Feb. i complained about it but still my problem is not solved .they asked for 48 hrs but already 72 hrs have been passed but i have not got any resolution .Also i have applied for warranty extension which i was supposed to get by today and regarding that also i have not got any resolution .
my laptop serial no .CND7066VC7
CASE NO. -[protected]
my redemption code for warranty extension .[protected]
my registered email id - [protected]@gmail.com
I am attaching the retail invoice and the mail i got for warranty extension from hp.