He has qualified for shooting at the 2024 Paris Paramlympics[4] through the 2022 Asian Para Games conducted in Hangzhou, China (22-28 October 2023)[5] with a record-breaking performance.

Also, he had represented India in the 2020 Tokyo Paramlympics[6] for Mixed 50m rifle prone SH1 through the performance in Para World Shooting Championship (12-18 October 2019) held in Sydney, Australia.

Mostly a self-taught shooter, Sidhartha learned the basics of shooting from reading books which he borrowed from the library.

In a sport that requires high levels of concentration, precision and calmness, Sidhartha, despite his obvious physical shortcoming, is second to none.

Sidhartha had also won a team bronze for India in para shooting World Cup that was held at Thailand in 2017.