HP India — Problem in screen of printer/ inadequate information about free ink cartridge

Address:	Howrah, West Bengal, 711103
Website:	hp.com

Sir,
I Kunal Shaw residin at 160a andul road, like to inform you that i have bought a HP printer (deskjet nk advantage 3835) from flipkart .date of purchase 10/08/2016. Moreover i would like to inform you that the dispplay panle of the priner is defective and i have registered a complaint in hp.com/go/support.
but no service person been send to rectify the problem.further there was a gift scheme of free ink catidge (1 black & 1 colour ) but no informatin was provide to me regardin claim of free cartridge.i have registered my printer in www.register.hp.com but now they said that within 15day (from date of purchase) i have to register my product in (hpshopping.in/inkadvantageoffer)
but how can a layman can know that where to register for free gifts.
so i made a call to hp and they asked me to register my product withoutinforming wehere to register it
and so i registered my product in site that is printed in their instuction book.

please help me to claim my warranty and free ink cartridge black and colour

i hope you will do me the needy.
Please find attached complaint no / scan copyof invoice & instruction book .