Trending @Accenture; What is the meaning of India sublevel 01 in workday

Until lvl 10 you will have a sub level like 3,2,1 lowest is 3 in any below lvl you are in sublevel 1 then you are eligible for next level in coming cycle post completing 12month...this is one of the criteria to push for promotion based on other factors

Can someone please help to understand the meaning of India sublevel 01 in workday