Finding four birdies against two bogeys, Vani, with rounds of 73-69, was even par and tied-36th, up 15 places from her first round tied-51st at the Ladies European Tour event.
Vani, who packs a lot of power, birdied three of four par-5s for a good second round.
The other Indian in the fray, Amandeep Drall followed up her first round 75 with another rough round as she was three- over through 12 holes. She is six-over and the cut looks likely at two-over, so she will in all likelihood miss the cut.
Tied for second were Scotswoman Pamela Prestwell (68-67) and Frenchwoman Karine Icher (71-64) at six-under each.
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