Arjun Atwal, who has been playing in Asia for past few weeks, shot a bogey free 67 and was tied third, while SSP Chowrasia, who has had some very good starts recently, had another with a round of 68, as did his Kolkata teammate Rahil Gangjee and both were tied seventh.
Incidentally, Atwal, too, is from Kolkata, but now lives in Orlando.
Gangjee had five birdies against two bogeys while Chowrasia had four birdies against one.
Among other Indians Anirban Lahiri had a rough start with a card of three-over 74 and he was 90th, needing a good second round to make the cut.
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Chiragh Kumar and Jyoti Randhawa fired even par 71 each to be tied 40th, while defending champion Gaganjeet Bhullar and Himmat Rai carded 73 each and were tied 75th.
Young Shubhankar Sharma shot 74 to be 90th. Kalem Richardson of Australia fired a superb eight-under-par 63 to lead by one shot over three-time Major winner Padraig Harrington of Ireland after the first round.
"My game is getting better every week. I haven't played so many weeks in a row since the last two years. Every day I'm learning something new and I'm getting better every week.
"It is not like learning about the game but more about learning my personal habits. I haven't played tournament golf that much so I want to see what I'm doing under pressure and see where my misses are. I'm just trying to manage that. That's what I'm learning about myself.