Should sehwag be called back to play domestic cricket?

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What I fell is, Pathan was sent back for his betterment and to improve his fitness. As he was not going to be part of the team he was send back back for practice. But coming to sehwag he has got a lot of chances but he to use them. Is there any neccesity to keep him in the team even after his failure in all of the chancesgiven to him?