The 18-year-old Indore girl, a trainee at national badminton coach P Gopichand's academy in Hyderabad for five years, was beaten by her much taller Kuala Lumpur-born rival, seeded fourth, 11-3 6-11 11-6 11-7 in 45 minutes.
Soniia, who is ranked below 80 in the world as compared to the Indian girl's ranking which is over 400, also clinched the top prize of USD 1313 (INR 89,000 approx).
The Indian girl, who had toppled two seeded foreign players on her way to the final, could not cope up with the smashes and clever drops played by her taller opponent, but still gave a good account of herself after having come through the qualifying stage.
After dropping the opening game tamely, Shreyanshi went all out in aggression when the second game stood equally poised to clinch four points in a row and level the score.
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However, that was the last time she dominated play and had to play catch-up for the rest of the match.
"I should have slowed down the game a bit instead of playing flat shots. She had height advantage and my coach kept telling me to play high tosses and drops, but somehow I did not do so," Shreyanshi said after her loss.
India ended up with just one title, the men's doubles
crown which was clinched by Satwiksairaj Rankireddy and Chirag Shetty who defeated Arjun M R and Shlok Ramchandran in four games in just 35 minutes in an all-India summit contest.
Results (all finals):
Mixed doubles: Fachriza Abimanyu/Bunga Fitriani Romadhini (Indonesia) bt Vighnesh Devlekar/Kuhoo Garg (India) 11-5 12-10 4-11 6-11 11-8.
Women's doubles: (3) Mychelle Crhystine Bandaso/Serena Kani (Indonesia) bt Maretha Dea Giovani/Tania Oktaviani Kusumah (Indonesia) 11-8 8-11 2-11 11-9 11-7.
Women's singles: (4) Soniia Cheah (Malaysia) bt Shreyanshi Pardeshi (India) 11-3 6-11 11-6 11-7
Men's singles: Enzi Shafira (Indonesia) bt (6) Lim Chi Wing (Malaysia) 7-11 11-9 11-7 11-6.