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Jul 2: Cricket Australia has decided to not use the Dukes ball from this summer's Sheffield Shield, having used it alongside Kookaburra for four seasons.

CA has confirmed that the Kookaburra ball will be used for the entire 2020-21 first-class season.

Australia has been using Dukes ball since the 2016-17 season in Shield matches with an aim to help its cricketers prepare for the hostile English conditions.

CA's Head of Cricket Operations, Peter Roach, said the decision to axe the Dukes was the right call. "The introduction of the Dukes ball has been a worthwhile exercise, particularly in the lead up to overseas Ashes series where the Dukes is used so well by our English opponents," Roach said.

"We have been happy with how the ball has performed when used in Australian conditions over the past four seasons. We do, however, feel that reverting to one ball for 2020-21 will provide the consistent examination of our players over a full season that CA and the states are presently seeking. The Kookaburra is the ball used for international cricket in Australia and many parts of the world and we see benefits this season of maximising our use of it," he added.

Roach said the ineffectiveness of spinners in first-class cricket in recent times played a role in CA's decision to do away with the Dukes. "We have noted that spin bowlers in the Sheffield Shield have been playing less of a role in recent seasons, most notably in games when the Dukes ball is in use. We need spinners bowling in first-class cricket and we need our batters facing spin. We hope that the change to one ball will have a positive benefit here," he said.

The CA official, however, didn't rule out the possibility of re-introducing it later.

"We see a definite opportunity to reintroduce the Dukes ball at some stage in the future."

Melbourne, Mar 7: Ahead of the Women's T20 World Cup against Australia, India spinner Poonam Yadav said that skipper Harmanpreet Kaur has given her a lot of support.

"Harmanpreet has been of immense support. When I got hit for a six in the first over, she came to me and said, 'Poonam, you're one of the most experienced players in the team, and we expect better of you'," Poonam said.

The 28-year-old experienced bowler has played 68 shortest format games for India and taken 94 wickets at an average of 22.66.

She has been in devastating form throughout the tournament and has bagged nine wickets so far.

"So, that kind of stirred something within me. I told myself if my captain has that much faith in me, I should be able to make a comeback," she said.

"I took a wicket in the very next ball, and didn't look back since. Now when I look back at that moment, it means so much in the context of my individual performance and run to the final," she added.

In the opening game against Australia at Sydney Showground, Poonam came within a whisker of the third hat-trick in Women's T20 World Cup history, dismissing Rachael Haynes and Ellyse Perry before Jess Jonassen was dropped.

The final of the tournament will be played at Melbourne Cricket Ground (MCG) on March 8 -- International Women's Day.