Arjun Atwal let it slip in the back-nine as he carded an even-par 72 to slip to the tied seventh spot after the second round of the Viking Classic golf tournament in Madison, US.
Atwal, who was overnight joint-leader with an opening round 66, has a two-day total of four-under 138.
off to a steady start, Atwal found a birdie on the seventh hole to make the turn one-under.
On his way back, he stumbled to bogeys in the 14th and 16th before a birdie on the 18th helped him avoid an over-par finish.
Jeev Milkha Singh, the other Indian in the fray, carded an eventful one-over 73, comprising three birdies, a bogey and a double bogey.
Jeev occupied tied 53rd place with a total of one-under 143.
At the top, South African Brendon de Jonge and American Bill Haas carded second successive 66s to share the lead with totals of 12-under 132.
