Chikka, who was ninth, slipped one place, while Gaganjeet Bhullar (75), who had 69-69 in his first two rounds, dropped to tied-22nd. Among the other Indians who made the cut, Himmat Rai (74-70-71) was tied 34th and Rahil Gangjee (74-69-79) was tied 69th.
Asian Tour rookie Shaun Norris of South Africa earned a dream victory at after closing with a four-under-par 68 in tough conditions on Sunday.
The 33-year-old overcame swirling winds by shooting five birdies in his opening seven holes to defeat overnight leader Miguel Tabuena of the Philippines by two shots with a winning total of 12-under-par 204.
Giwhan Kim of Korea, Hsu Hao-sheng of Chinese Taipei, Keith Horne of South Africa and Thai duo Panuphol Pittayarat and Natipong Srithong, who turned professional two months ago, tied for third place on matching 208s in the weather shortened event.
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Norris overcame a three-shot deficit with a flying start despite the rainy and blustery conditions. He grabbed the lead for the first time this week after seven holes and cruised to victory despite dropping a shot on the 18th hole.
As of October 26, the leading four golfers from the Order of Merit will earn starting places in the USD 8.5 million HSBC Champions in November while the leading 10 players will qualify for the USD 7 million CIMB Classic.