Panasonic — ac not installed even after one week of purchase

Address:

Sainipuri, 500094

I purchased 1ton Sanyo AC from Amazon and was delivered on 7th May but today is 14th of May and still not installed desipte many calls to Amazon and Sanyo. Amazon people are asking me to call Sanyo and Sanyo customer care person asking me to call local manager and that person doesn't answer his phone. when I tried to call Sanyo again it's asking me to pick a language and call getting disconnected. I am so I wonder if their service is like this for just installation how it will be once it is installed. Seems I Amy use this AC for 2020 summer.