BAI Circular – Yonex Surnise 35th Sub Junior (15 & 17) National Badminton Championships 2023 BAI Circular - Yonex Surnise 35th Sub Junior (15 & 17) National Badminton Championships 2023 35th Sub Junior (15 & 17) National Badminton Championship 2023 at Jwala Gutta Academy, Hyderabad.