Lahiri is now two-under 140 and in tied 28th place, the same as Lipsky (72-68).
Lahiri was one of the only thee Indians to complete their second round and Jyoti Randhawa (71-68) was the other one at tied 22nd at three-under 139. Himmat Rai (73-74) was way behind and was unlikely to make cut.
Arjun Atwal was also three-under but he had seven holes to play in second round, which was stopped by bad weather.
In-form Thanyakon Khrongpha of Thailand fired a superb eight-under-par 63 to seize the clubhouse lead as Padraig Harrington's charge was stopped by bad weather.
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The slightly-built Thai produced a near perfect card in the calm morning conditions which included nine birdies before stumbling to a lone bogey on his last hole to settle for a 12-under-par 130 total at the Damai Indah Golf, PIK Course.
Among the players who finished their rounds include Asian Tour rookie Nathan Holman of Australia, who was two shots back after matching Thanyakon's efforts of 63, while Scott Hend and Jarin Todd of the United States shot identical 64s for a 133 total.