"Australia are the most successful team in women's cricket but you can't call them invincible. India can beat them provided they have their plans in place, just like the last game against New Zealand," Edulji, who is also a COA member, told PTI.
India humbled New Zealand by 186 runs in a do-or-die match to make the semifinals.
India, whose best result in World Cup has been a final appearance in 2005, suffered an eight wicket loss against Australia in the round robin stage.
On the contrary, Indian opener Smriti Mandhana has suffered five failures on the trot after firing in the first two games.
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"That has really hurt India. Because in the first two games, she could give brisk starts to the team and Mithali (Raj) was solid in the middle overs. Smriti needs to be back among runs tomorrow as she is key to India scoring over 250," said Edulji.
"India also need to bat the way they did against New Zealand. They used their feet against the spinners and got the results. By now all teams know that Indian batswomen don't use their feet much. So I hope they go in with a similar frame of mind and continue using their feet," said Edulji.
"From the bowling point of view, getting Rajeshwari Gayakwad in place of Ekta Bisht proved to be a masterstroke She can turn the ball while Ekta generally bowls flat," she said referring to Gayakwad's match-winning five-wicket haul against New Zealand.