Pinky, a class XII student from Itanagar, snuffed out the challenge from Haryana's Ayushi Singh by posting a 12-15 15-12 15-3 win at the Bombay Gymkhana courts.
Aditi also recovered from the loss of the opening game to overcome the spirited challenge from Sanjeevani Marathe of Madhya Pradesh with a 9-15 15-13 15-7 victory.
In boys' under-19 singles, Anubhav Sharma of Delhi and Shripad Kulkarni of Maharashtra were engaged in a grim battle before the former came through with a 7-15 15-8 15-9 win.
Qualifying results (all from Maharashtra unless stated otherwise):
Girls U 17 singles (2nd round): Pooja Devlekar bt Shanvitha V (AP) 15-7 15-6; Aditi Kunte bt Sanjeevani Marathe (MP) 9-15 15-13 15-7; Divyanshi Rathore (Har) bt Jhanvi Pandey 15-3 15-11; Yeshaswini Nandanoori (AP) bt Shruti Sinha Raj 15-10 15-11; Yajum Laa (ANP) bt Purva Naik 15-8 15-13; Nivedita Rao bt Nayan Thakre 15-4 15-11; Pinky Karki (ANP) bt Ayushi Singh (Har) 12-15 15-12 15-3.