Performance at International Astronomy and Astrophysics (IOAA) 2019
International Olympiad on Astronomy and Astrophysics (IOAA) 2019: Keszthely, Hungary, from 2 – 10 August 2019.
Individual results:
| Name | City | Medal |
| Chirag Falor | Gold | |
| Prashant Gokhale | Silver | |
| M. Adarsh Reddy | Silver | |
| Hemansh Shah | Silver | |
| Sai Teja Varanasi | Bronze |

Performance at International Biology Olympiad 2019
30th International Biology Olympiad held in Szeged, Hungary from 14-21 July, 2019. India won 3 Silver medals and 1 Honourable Mention.
Individual results:
| Name | City | Medal |
| Hardik Gupta | Agra, Uttar Pradesh | Silver |
| Arunangshu Bhattacharyya | Surat, Gujarat | Silver |
| Suryadeep Mandal | Bankura, West Bengal | Silver |
| Akshay Gupta | Vadodara, Gujarat | Honourable mention |

Performance at International Chemistry Olympiad 2019
51st International Chemistry Olympiad (IChO) 2019 held in Paris, France, from 22 to 29 July, 2019.
Individual results:
| Name | City | Medal |
| Dhyey Sankalp Gandhi | Kota | Gold |
| Mudita Goyal | Gold | |
| Muhender Raj Rajvee | Silver | |
| Madhav Mittal | Bronze |

Performance at International Mathematical Olympiad 2019
60th International Mathematical Olympiad held in Bath, United Kingdom from 11-22 July, 2019. India won 1 Gold medal, 4 Silver medals and 1 Honourable Mention.
Individual results:
| Name | City | Medal |
| Pranjal Srivastava | Bangalore, Karnataka | Gold |
| Ritam Nag | Kolkata, West Bengal | Silver |
| Anubhab Ghosal | Kolkata, West Bengal | Silver |
| Bhavya Agrawalla | Indore, Madhya Pradesh | Silver |
| Ojas Mittal | New Delhi | Silver |
| Soumil Aggarwal | New Delhi | Honourable mention |

Performance at International Physics Olympiad 2019
50th International Physics Olympiad held in Tel Aviv, Israel from 7-14 July, 2019. India won 2 Gold medals and 3 Silver medals.
Individual results:
| Name | City | Medal |
| Nishant Abhangi | Rajkot | Gold |
| Archit Bubna | Delhi | Gold |
| Dhruv Arora | Indore | Silver |
| Harshvardhan Agarwal | Sonipat | Silver |
| Kaustubh Dighe | Surat | Silver |
