[1] In April 2018 she competed at the junior African Championships in Cairo, taking 4th place in the All-Around and earning a spot for the YOG, 5th with hoop and ribbon and winning bronze with ball and clubs.

[2][3] After becoming a senior she took part in the World Cup in Portimão being 33rd in the All-Around, 30th with hoop, 33rd with ball, 33rd with clubs and 32nd with ribbon.

[5] In March 2020, before the season was cut short because of the COVID-19 pandemic, she was 8th in the All-Around, 5th with hoop, 9th with ball and with clubs, 4th with ribbon and won silver in teams at the African Championships in Cairo.

[6] Dewan made her international comeback in 2023, competing at the African Championships in Moka where she won silver in teams and bronze with clubs.

[7][8] In late August she represented South Africa at the 2021 Summer World University Games in Chengdu finishing 24th.