Tax Slab Applicable in PCC Nov. 2010

On discussion with one of my friends i have got confused.........

The A.Y applicable in Nov 2010 exams is 2010-11 and as per that the tax slabs should be 160000-300000... and so on........

but as per my knowledge in the exams, ammended tax slab of 160000-500000 should be applicable..........

Please give ur valuable suggestions for my query................also the link of  the ammendments applicable in nov. 2010 exams if available with you............