After the result CBSE will release a notification for the All India counseling which would be online. Dates, requirements, documents etc will be listed in the notice.
In the result it will be written whether you are eligible to participate in the All India counseling. If eligible, then you must follow the online counseling form. According to your score, you will then be asked to do the choice filling.
After that the result of choice filling would be declared. If alloted in the first counseling, you would be asked to report the nodal center or that college with your documents.
If not alloted in the first counseling, you would again be required to do the choice filling in the next round, then the same procedure is followed.
This is one way.
In your result it will be written whether qualified for all india quota or not; whether qualified for state quota or not