Surprised with the Australian line up with one fast bowler in Pat Cummins and three spinners in their squad which i am seeing for the first time, curious to see how that will help them tackle the Indian batting line up

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This isn't surprising at all to me. The Australians realised that the spinners are dominating on these Indian pitches which is why they included several spinners in their squad themselves though it remains to be seen if they can perform as well as the Indian spinners.
If India can get leads of 200 then they will be champions for sure.
Am not expecting India to post a lead of 200. I feel that they might post a small lead this time around because the Australians seem to have learnt from the last match which is why they won't make it easy for the Indians.
My prediction is that India will win this one too albeit by a small margin.