Panasonic — Not installed my led tv after several calls

Article code m356284 panasonic led tv 60 inches is purchased from metro banglore on[protected] & delivery on same day & called for installation to call centers [protected] and these nos [protected] '[protected] -[protected] -[protected] & person at ending call & say they send for installation when ever I call and I am waiting without going to job from 5 days & no one came to install & again if call any of above mobile no they won't attend my call so do the needful or I will return the product