Can i start a cloud vps hosting company(with cpanel) by getting a VPS(hyper-V)? Is there any possibilities to share my VPS resources with customers ?
In order to offer "cloud" or high availability to customers, you would need a lot more than just one dedicated server.
You would need to consider storage arrays, redundant network switches, multiple NICs in a server as well as pretty beefy servers to run the virtual machines.
How much are you looking to spend to get started?
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Actually I think I misread. You have a VPS and you want to split it into more VPS accounts? This isn't really an option. You would need a dedicated server. The alternative is to resell someone else's VPS service. Neither of these would be cloud. Cloud would be something more like openstack or onapp.