Delhi boy Chawla upset seventh seed Rohit Aynampudi of Andhra Pradesh 7-6(3) 6-4, while Syeda of AP shocked girls' third seed Shivani Ingle of Maharashtra 6-2 6-2.
Arjun Honnappa of Karnataka continued his good run to reach the round of sixteen after a tight 4-6 6-3 7-5 win over Shashikant Rajput of Haryana.
In another close match, ninth seed Karan Srivastava of Maharashtra prevailed 6-4 4-6 6-4 over Rhythm Malhotra of Delhi.
Results (2nd Round): Boys singles: 1-Siddhant Banthia bt Vipul Mehta 6-2 6-0; Kevin Mrugesh bt Theyjo Oges 6-1 6-4; Dev Javia bt Iftikhar Shaikh 6-4 6-4; Arjun Honnappa bt Shashikant Rajput 4-6 6-3 7-5; 4-Aditya S M bt Kushal Yedla 6-3 6-2; 15-Aman Patel bt Aditya Balsekar 6-1 6-2; 9-Karan Srivastava bt Rhythm Malhotra 6-4 4-6 6-4; Bikramjeet Chawla bt Rohit Aynampudi 7-6(3) 6-4; Sanket Tomar bt 7-Ishan Sethi 6-3 6-3; 10-Rishabh Sharda bt Yashpaul Neeraj 6-2 6-1; 13-Atharva Sharma bt Aman Ayub Khan 6-1 7-6(5); 3-Abhimanyu Vannemreddy bt Siddharth Thakran 4-2 (conceded)
