Do u think should i start operating from my hs and then slowly move and open my own company?
What's your hs?
A reseller aco**** probably would be best.
Do you know how to use control panels?
You must be able to use your own control panel before starting a hosting company, I think anyway.
You will have to provide support to your customers on the control panel so obviously you will need to know what you are doing to help them do it.
I think you should think about what you want to do for your business before looking for a host.
One of the main things is what control panel you want to offer.
Not all reseller hosts offer the same control panel.
A few are Ensim, cpanel, plesk, direct admin
Do research on these if you haven't already and find which you like best and think you will be able to cope with best.
There are demo accounts available for all control panels - Either from other hosts or from the website of the control panel.
Once you know what control panel you want to use you can then think about hosts as you have narrowed down your search by a huge amount - Now you are looking for a host that offers the control panel you want, plus everything else
There is a lot of research that you should do before jumping into hosting - I did over a year of research before I started hosting and I am still learning something everyday (Well almost