Hosting Raja — I am not getting services and support as they promised

Address:

560016

I have purchased the vps server from them on november 2016 third week and from the day i am generating regular tickets about my site. This site always stay 4-5 hours down. They say they have resolved have made some update but still same thing happens. they have not at all 24X7 support. they only concentrate about billing than after their look out stopped. My ticket id 466262 and 475373 having all details about their support and service.