Combining the 2 papers the Cut-off score for Prelims 2012 comes to 90+130=220 marks out of 400. In fact, I predict the cut-off marks will be in the range of 215-230 marks simply because of the easy nature of paper 2 and not-very difficult level of paper 1.
Again, before expressing your valued views on the expected cut-off for Prelims 2012 please re-read the Disclaimer above. You can choose to disagree but just be nice. Comments using foul language end up in the trash bin. See you in the comments below!