On 7 April 2014, Sidhu became the first Indian pistol shooter to reach number one in world rankings by the International Shooting Sport Federation.

Sidhu, with Annu Raj Singh and Sonia Rai, won a silver medal in the Women's 10 m air pistol team event at the 2010 Asian Games in Guangzhou, China.

The film, written, produced and directed by Caroline Rowland followed a dozen first-time Olympic athletes as they prepared to compete in London.

[12] Sidhu defeated the world champion Zorana Arunovic of Serbia and the previous winner, Olena Kostevych of Ukraine with 203.8 points, which gave her a 5-point lead at the end of the event.

[13] In the 2014 Indian National Shooting trials, Sidhu won by 0.1 point over Rahi Sarnobat in the women's air pistol event.

[15] In 2017, Sidhu won gold medal in women's 10 metre air pistol event at the Commonwealth shooting championships in Brisbane.

[16] In 2016, Sidhu pulled out of the Asian Air Gun Championships in Tehran because Iran made the wearing of the hijab mandatory for female participants.