What are the changes India should make in the test team?

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Well India lost to England 4-0 in the test series and lost from No1 to No3 slot in the series so this question will arise I think Dhoni should retain the captaincy Lets look at the team I would say Shewag, Gambir, Sachin, Dravid, VVS have done well test and doesn't need to be replaced for now But other spot is has been not fixed with likes Raina, Kohli, Pujara, Yuvaraj etc competing for it with Raina in awful form this series I think Pujara probably should get chance as he has the temperament for test well bowling has been a fugue problem and India's spinner have been really poor this series Swann has taken more wickets then all Indian spinner combined I think its probably time to give Ashwin a chance In fast bowling department I guess we will have Zaheer after he comes and praveen has second , third doesn't looks settled now probably Ishant as he is young and can improve or some other bowlers can be given a try Like Vinay kumar