There is no point in changing the coach or captain, the players need to change their attitude first. Play offensive rather than going to a defensive mode and a meeky surrender to the opposite party.
Bowlers should bowl to the weakness of the opposite team rather than their strengths, if U see last match Irfan, Sreesanth and Munaf all bowling short pitched deliveries to trouble the Australians but they are very good in those and they converted that to boundaries. Bowlers should maintain good line and length and bowl wicket to wicket and don;t give any space for the batsman to whack at them.
Nowadays Players take their place for granted, they should be told that no place is granted and even if it sachin or shewag they will be replaced if there is no consistency in their batting. When players play for Team India they should not endorse for the advertisement and all those funky stuffs rather than concentrate on their skills.
Selection commitee should select the team based on current performance rather than previous performance.
