Chowrasia, a two-time winner of co-sanctioned events with Europe, turned in a one-under 71, while Lahiri's troubled day ended at the 56th place.
Among other Indians in fray, Manav Jaini (73) was tied 29th, while Abhijit Chadha, Sujjan Singh and Angad Cheema were tied 56th with Lahiri.
Himmat Rai (77) and Abhinav Lohan (78) were struggling further down, while Amardip Malik (79) and Digvijay Singh (80) were certain to miss the cut.
Meanwhile, Lahiri needing to get into inside top-60 of the world within a fortnight - he is right now 64th - had a tough time.
"It was a frustrating round. I don't think I played horribly. I just made some poor decisions and struggled on the greens. The greens are a bit grainier than what we've played on this year," said Lahiri.
He added, "I missed a bunch of putts inside six feet and you can't do that to have a good score. I don't think I'm out of the tournament yet. It is a tough course and if you can play consistently then you can get decent score. I honestly don't think I'm out of the tournament."
Bangladesh's Siddikur Rahman fired his best score at the challenging Wack Wack Golf and Country Club to share the honours with Chan Kim at six-under-par 66.
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