However, the story of the day belonged to Matt Johnston of Canada who posted a six-under 66 for a two-shot lead over Australian amateur Daniel Bringolf at the Imperial Lakeview Golf Club.
Johnston registered an 11-under 133 total, while highly-rated Khan, aiming for a spot in the Qualifying School Final Stage presented by Sports Authority of Thailand for the third consecutive year, was a further eight shots back in tied eighth place.
A total of 83 players made the halfway cut at Imperial Lakeview with the cut set at six-over 150.
At the Springfield Royal Country Club, French amateur Lionel Weber and South African Bryce Easton kept their noses in front for the second straight day.
The duo fired matching three-under 69s to lead on 12-under 132, while former European Tour player Edberg, who registered a 64, was a further shot back.
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After losing his Asian Tour card in 2012, Bhasin is aiming for a swift return on the region's elite circuit as he shot a 70 for tied 11th place.
The second round at Springfield Royal was suspended for the day due to fading light. A total of three players have yet to finish their rounds and will return at 7am tomorrow to complete round two. Round three will not start before 8.30am. Before the suspension, the projected was at six-over.
After four rounds, the top 15 per cent players from each venue will qualify for the all-important Final Stage which will be held at Imperial Lakeview and Springfield Royal next week.
The top-40 and ties from the Final Stage will earn playing rights on the new 2013 Asian Tour season. Players who play in the Qualifying School are also eligible to play in the Asian Development Tour which will be afforded with Official World Golf Ranking points starting this season.