The 18-year-old was just three shots behind the leader, Stacey Lewis of US after firing a second successive three-under 68, which included five birdies against a couple of bogeys, to move to six-under 136.
Lewis, who shot 70 on the first day went on a birdie spree with 10 birdies and two bogeys for a round of 63 that gave her the top position at the midway mark. She is nine-under 133.
Aditi (68-68), with four others was in 7th place.
Speaking about her round, Aditi, who plays on the Ladies European Tour said, "I shot three-under both days, so that's pretty consistent for me. I dropped a few shots today, a couple of shots and I could have been a few shots better, but I'm happy going into the weekend?"
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On the importance of her performance for the game back in India, the teenager, who has been a pro for just six months said, "I think it would be big in India, and also being a golfer, a woman golfer, it will definitely boost the popularity of the sport.
Speaking about the conditions, Aditi added, "It was a bit windy. It was windy for me on the back nine. But it's different -- it played different yesterday and it played different today because of the wind. I'm enjoying it.