The trio were the best placed among the seven Indians who teed off at the tournament.
Other Indians playing in Taipei this week are S Chikkrangappa and Khalin Joshi, who scored one-under 71 to be at tied-42nd, while Gaganjeet Bhullar (72) was at tied-59th.
Rahil Gangjee had a tough day with a round of 73 and he was at tied 83rd.
Thailand's Namchok Tantipokhakul got the lead after firing a seven-under-par 65 to share the opening round honours with Spain's Javi Colomo.
Thailand's Pariya Junhasavasdikul, who set the early pace in the morning, posted a 66 to share third place with Spain's Carlos Pigem at the Linkou International Golf and Country Club.
Philippines' Miguel Tabuena returned with a 67 to grab a share of fifth place with Casey O'Toole of the United States at the USD 500,000 event, which is also the final Olympic qualifying event on the Asian Tour.