There is a program RPUAUD00 provided by SAP which allows us to see any changes that happens to data in an infotype through add / modify / delete. When you execute this this program and specify the employee code and infotype in the selection screen, it gives us details of when the data was changed, who changed the data and what data was changed in a particular infotype. 

There are few standard infotypes like 0000, 0001, 0002 and few of your own created infotypes starting with 9 (9XXX) for which you are able to see the log through this program. 

But there are certain other infotypes like 0008, 0581 for which this log is not coming. 

There are some configuration or customising is to be done so that this log starts generating for these infotypes and RPUADU00 can read it. 

The IMG menu path is: 

Personnel Management > Personnel Administration > Tools > Revision > Set up change document 

When you execute this node choose 

'HR Documents - infotypes to be logged' 

Add entries in this table to audit more infotypes. 

Transaction class A is for HR master data, class B is for applicant data. 

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