what ever you do, drop the senior players, bring in fresh bloods. Fresh and young players may be enrgetic, they may have a good urge to preform on the feild giving their 100%. In spite of all these, we need ot have a captain who have a good cricketing brain, and should be aware of the knowhows of captaincy tactics which is lacking in Rahul Dravid. No1 has ever seen him on the ground seeing which direction the wind is blowing, neither he can read the 22 YARDS well.