Shrinkage are of two types first type is unscheduled 
shrinkage and ohter one is scheduled shrinkage. Unscheduled 
shrinkage can be identified as Unscheduled Leaves or 
Absenteesim (Ex: Due to health issues or will issues an 
employee goes on a leave without informing or taking prior 
permission) and Scheduled Shrinkage includes Week offs and 
Advance Leaves. Scheduled Shrinkage can be controlled and 
can have an eagle eye so that it will not affect the 
manpower. whereas unschedule shrinkage is vice versa. 
ATTRITION is terminating or sacking depending on the 
circumstances (Ex: An employee has not turned up to office 
for many days and there is no call back from that 
particular employee. In simple terms absconding or also it 
could the behavioural conduct which is not as per the 
companies rules and regulations, in this case also an 
employee can be terminated or attrited.