Asus India — Asus service center allahabad

Address:	Allahabad, Uttar Pradesh, 211008
Website:	ASUS SERVICE CENTAR

Dear sir,
Hereby in i have attached a copy of manual recipt of submission of my phone in ASUS service center allahabad as you can see in manual there is no description about any physical or any kind of damage.
Since i submit my phone for repair of sound problem after a while when i contacted to service center for progress on my handset status.EVERY TIME &AGAIN &AGAIN there is no proper &clear response regarding as you could find out that at service center
I am middle class man buy this phone on emi's & i have got a bad response and service of this product .
please its an urgent to carry forward this upto highest authority for my resolving my problem.
Or I'LL have no choice but to got consumer forum for legal action upto it.
what i want is either solution or replacement of my handset.
the response service center allahabad is very low & sub standard so kindly do some action against to this service center.