A VM must be able to restart on another host in the HA cluster

[asif-khalil]

How i restart VM on another host in HA cluster using Powercli?

[LucD]

A Move-VM to that ESXi node, followed by a Start-VM.
Provided of course DRS in full automated mode doesn't overrule the ESXi node.

[asif-khalil]

If I Remove the VM override for VM. How do I remove VM overrides using Powercli?

[LucD]

See Solved: Re: Setting SDRS VM Overrides per VM? - VMware Technology Network VMTN

You do know you can search in this community?
Several of your questions are already answered in here.