Personnel file may have the following documents may vary from comapnt to company
1) Bio Data, Educational, Work Experience testimonials, salary slip
2) Interview Asssement sheet
3) Offer Letter
4) Trade Test / IQ Test / Written Test
5) Psychometric Test Report
6) Medical Test Report
7) Joining Report, PAN Number, Saving Account bank details

Appointment Letter
9) Induction Report
10) Confirmation Letter
11) Training Details ( Provided by current comapny )
12) PRomtion / Transfer etc ...............................................