Lahiri carded a four-under 68 to move to nine-under 207 for 54 holes.
The leader was Filipino Miguel Tabuena who shot into the lead with a sensational seven-under-par 65. One behind him besides Lahiri is Asian Tour legend Thaworn Wiratchant (68).
In tied fourth are three stalwarts Daniel Chopra 69), Veteran Yeh Wei-Tze (65) and Prom Meesawat (68) at eight-under 208.
Among other Indians Rahil Gangjee climbed back to tied 13th with a round of 69 and Rashid Khan slipped a bit too tied 16th after a round of 72 and a total of three-under 213.
Chiragh Kumar made a handy move upwards with a round of 69 and he was tied 10th at two-under 214.

Jyoti Randhawa had a rough back nine with three bogeys and his card of 74 saw him slide to tied 46th, down from overnight 26th.
Lahiri feeling the effects of jetlag posted six birdies and one bogey after 13 holes but lost momentum when he bogeyed hole 16. Then he had three pars.
Lahiri, who has four titles, including one this year, on Asian Tour, said he was happy at being in contention but lamented his finish.

"I am happy because I am playing well. But I am a bit disappointed because I was one-over par in the last five holes. I am in a good spot and I am looking forward to tomorrow,” he said.
Talking about his recent travels, he added, "I came in on Tuesday afternoon from the Switzerland so I had trouble sleeping. I probably had 15 hours of sleep in four days. I felt the heat on the back nine today and felt a bit low on energy. I am going to go back, rest up and come back tomorrow."
The 19-year-old Tabuena tied for the low round courtesy of two closing birdies to hold a one-shot lead with a 10-under-par 206 total at the Linkou International Golf and Country Club.
Title holder Thaworn, who birdied the last hole, and Lahiri, ranked second on the Order of Merit, posted matching 68s to tie in second place at the USD 500,000 Asian Tour event.

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