However, there was no stopping top seed Ankur Mahajan, aiming for his tenth successive title, breezing into the quarter-finals with with a 21-9, 21-12 win over Sujan Narvekar.

Sneha Keshav, Manasi Bhagwat, Juili Inamdar and Sonam Bajaj booked berths in the semi-finals of the girls sub-juniors.

Sneha beat Bhavana Suvarna 21-11, 21-10, 21-9 while Manasi came from behind to down Nupur Gaidhani 20-22, 21-12, 21-16, 21-16 to make the last-eight. Juili, winner of the cadet's title, kept on course for a double with a 21-11, 21-11, 21-9 win over Neraja Kukday.

Sonam, who shocked Sukhada Tatke, the fourth seed, in the prequarters, completed the semi-final lineup by beating Sayali Kukday 21-19, 21-18, 16-21, 21-12.

RESULTS:

Sub-jr boys (4th round): Ankur Mahajan bt Sujan Narvekar 21-9, 21-12;Omkar Tanksale bt Shivam Nayak 21-11, 14-21, 21-9; Rohan Waghmarebt Chinamay Bal 21-10, 21-13; Omkar Torgalkar bt Sushant Kulkarni 23-21, 21-15; Anand Nagarkatti bt Siddesh Pujari 21-15, 21-11; Santosh Basrur bt Ashish Gupta 11-21, 21-19, 21-19; Aditya Tawade bt Satish Goyal 21-17, 21-8; Sahil Kukreja bt Shishir Juvekar 21-16, 21-17.

Sub-jr girls (quarters): Sneha Keshav bt Bhavana Suvarna 21-11, 21-10, 21-9; Manasi Bhagwat bt Nupur Gaidhani 20-22, 21-12, 21-16, 21-16; Juili Inamdar bt Neraja Kukday 21-11, 21-11, 21-9; Pre-quarters: Sonam Bajaj bt Sukhada Tatke 21-11, 21-19; Sneha Keshav bt Prajakta Aavsarkar 21-19, 13-21, 21-16.