i just wanna to pass on this message to all the IIT aspirants:remember one thing ;iit is all about relative grading.so donot bother urself with the pattern change etc.if the paper is hard for u then definitely it would be hard for all the other aspirants taking the test.so then everything boils down to relative performance.chalo then me signing off .bye and wish u all the best for ur exam regards harmeet singh iit kgp