In the second preliminary round, Das got the better off Rheann Chung of Trinidad and Tobago 4-1 to secure her place in the main draw.
K Shamini defeated Sovenia's Manca Fajmut 4-2 while Madhurika Patkar too registered a 4-2 win over Gulchekhra Khusseinova of Kazakhstan to seal their spots.
However, Neha Aggarwal (428) went down to Monika Pietkiewicz (262) of Poland in a hard-fought seven set encounter. Aggarwal lost the match 11-6 9-11 8-11 6-11 11-6 11-8 10-12.
The 20-year-old Indian will now take on world number 2 Long Ma of China.
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Ace Indian padddler Achantha Sharath Kamal is seeded in the main draw while Anthony Amalraj was given a direct entry among top 128 paddlers.
Sanil Shetty (329) was blanked by Egypt's Ahmed Saleh, ranked 156, in the second match of the preliminary round while Harmeet Desai (275) too failed to clear the second hurdle as he was floored 0-4 by Robert Floras (175) of Poland.
India's challenge in the men's doubles competition ended after duo of Desai and Ghosh lost their third preliminary round match to Taipei's Chia-Sheng Lee and Chih-Chi 5-11 9-11 10-12, while the pair of Aggarwal and Patkar is India's lone representative in the women's doubles event.