Laxman is the most vulnerable. Although he has maintained a decent average (49) in his last 10 outings, he does not exude permanence and has an annoying habit of tamely giving his wicket away.
Though he is undoubtedly trying his best, his rather lethargic body language at the crease suggests fragility which hungry bowlers feed off. He has perhaps two innings left to regain his, and the selectors', self belief.
There is a deeper problem for the Indians here. Their star batsmen are like war correspondents. When they are young they are fearless and thrive in difficult or dangerous circumstances. They want to make a name for themselves. When they are older they shy away from adversity, seeking to protect their reputation and subconsciously yearn for a more comfortable life. Most are reluctant to do the hard yards.
You can see that in these Indian batsmen's approach to practice. Only Dravid, and to a lesser extent Tendulkar, are fastidious. Generally there is less appetite for hard work.
Last summer in England it was noticeable that only Dravid took net practice seriously. The others were mainly content with throwdowns on the outfield before a day's play, as if they were playing an exhibition match rather than a Test.
It was an attitude that hinted at complacency, an approach that said 'this is what I have always done, this is how I play'. Their fitness was lacking in some cases too. In the modern cricketing world of highly-trained assassins (the bowlers) and forensic analysis, it is not good enough. Batsmen have to work extra hard to stay ahead of their pursuers.
These men have been lavished with riches for their exceptional batting feats. Deservedly so. They made India a proud cricketing nation, the No 1 Test nation and World Cup champions. It probably seems alien to them to completely change the way they prepare and approach their life.
But, in the modern game, you cannot survive on talent alone.