If he is susposed to be India's mainspearhead, then India has great problems.
Anyone who watch the ODI against India could see what I mean. He is lacking in confidence, he is delievring the ball with a cross seam position, rather then a straight seam position, and his hand is sliding the ball down the leg side at times. And he is having problems with his accuracy and he probably doesnt need to jump as high as he does when he is about to deliever the ball.
I would be tempted to leave him out and let him regain his confidence, but there isnt anybody better and Salvi is a unknown product and Nehra I am not convinced about just yet.