The win comes after the five-time world champion made several early round exits since January, including at the Indonesia Masters, German Open and the All-England.
Five-time world champion Lin allowed Shi to dictate the pace at the start of the opening game before seizing back the initiative, and winning 21-19.
The Chinese star will meet compatriot and second seed Shi Yuqi in the last four.
World number four Axelsen served past the 32-year-old Kashyap 21-11, 21-17 in the men's semifinal of the BWF World Tour Super 500 tournament in New Delhi.
Srikanth, a former world number one, served past compatriot B Sai Praneeth 21-23, 21-11, 21-19 in the third round of the BWF World Tour Super 500 tournament in New Delhi.
The triple Olympic silver medallist has been out since July last year when he was diagnosed with early-stage nose cancer.
Norza Zakaria, president of the Badminton Association of Malaysia, warned fans to "lower their expectations" for the 36-year-old former world number one.
Reigning world champion Momota defeated Denmark's Viktor Axelsen in the final.
The 24-year-old left-hander will bid for his first All England Open title against Denmark'sViktor Axelsen.
The three-time Olympic silver medallist and former world number has been on the sidelines since July last year when he was diagnosed with early-stage nose cancer.
The Spanish badminton federation said Marin would undergo surgery on Tuesday and start rehab next week for an injury that typically requires a recovery period of at least six months.
Antonsen, who was not accompanied by his coach, reached the final of the the championship for the first time and managed to upset Momota 21-16, 14-21 and 21-16 in a game that lasted one hour and 19 minutes.
The relatively unknown player beat two-time Olympic champion Lin 21-19, 21-18 to win the Thailand Masters at the weekend.
Lee stopped playing in the middle of last year after he discovered he had cancer in July.
Sindhu, 23, has suffered a series of near-misses in recent years, winning silver at the 2016 Rio Olympics, and again at the Asian Games and Commonwealth Games this year.