Asus India — I am complainting service of my Asus zen phone 5

Address:	Pune, Maharashtra, 411 037
Website:	//www.asus.com/in/support

I have given my cell to authorized service center due to network did not work properly on dated 10th of November 2015 but still not get it, If I call to service center they make fake promise they are not give truly date how I don`t know.I am being much frustration about my cell phone, I submitted my cell before 10 days of warranty period, Now warranty also finished in service center Company did not response me .So kindly needful help to get my cell phone as earlier