Wadhwani rallied from a 2-1 loss after being in lead initially to beat Goan Pranav Trehon 3-2 and advance to the pre-quarter-finals, while Bhansali overcame Vidish Puri 3-1 in a game that stretched into extra points.
Top seed Tanay Punjabi and second seed Druv Vazirani produced clinical performances to cruise into the pre-quarter-finals round.
The tournament is being organised under the aegis of the Squash Rackets Federation of India and the Squash Rackets Association of Maharashtra.
Boys U-11 (2nd Rd): Tanay Punjabi bt Parth Ambani 11-7, 11-6, 11-7; Kanhav Nanavati bt Aryaman Jaising 11-2, 11-6, 11-6; Atharva Yadav bt Rikhil Nanda 11-5, 11-7, 11-6; Mir Mehta bt Saran Punjabi 11-5, 11-2, 11-4; Akash Gupta bt Kabir Mehta 6-11, 13-11, 15-13, 11-8; Rian Wadhwani bt Pranav Trehon
11-3, 10-12, 8-11, 11-7, 11-9; Arjun Chougule bt Kush Banker 11-3, 11-0, 11-5; Yash Salunkhe bt Rutva Samant 11-7, 11-0, 11-0; Shyaan Bachani bt Barajveer Dhingra 11-6, 11-5, 11-1; Ahaan Bhansali bt Vidish Puri 11-3, 11-9, 9-11, 13-11;Druv Vazirani bt Shreyas Mehta 11-3, 11-3, 11-3.