Ensure Support Services India — hp server (not powering on)

Hi team
I actually my server is not powering on so we given to service ensure support service india limited no 550/136 hall mark towers, ttk road, alwarpet chennai 6000018. On 03/05/19 almost 4 days over still what is the issue not told anything just morning only i spoke to there service center but they are telling we given your product to mumbai today evening i will sure without fail make a call to your number regarding these issue but still no any call from your service center it is very emergency for that server because without that cpu we cannot do anything please respond properly and resolve these issuse asap thank you