;Miss Malaysia World 2016 Shweta was scouted online for
Miss World Malaysia 2016 pageant and chosen as the official Top 18 of the pageant. At the end of the pageant, she was initially placed as the second runner-up. She was the first in the history of beauty pageants in Malaysia to receive an unprecedented double promotion. ;Miss Universe Malaysia 2019 Shweta auditioned for the Miss Universe Malaysia 2019 and was chosen as the official Top 18. She was crowned as Miss Universe Malaysia 2019 as well as received subsidiary title, Miss Glojas Beauty by her predecessor,
Jane Teoh in the final competition at The Majestic Hotel, Kuala Lumpur on 7 March 2019. An unfortunate incorrect announcement was made during the national costume winner announcement.
Advocacy Shweta launched a campaign, #YourBodyYourSay as her
Miss Universe Malaysia advocacy campaign in August 2019. She hopes to build a much more positive society who is not fearful of accepting their true and real, authentic self. As part of the campaign, she conducted sharing sessions at universities such as
HELP University and
MAHSA University.{{cite web|url=https://university.help.edu.my/shweta-sekhon-miss-universe-malaysia-2019-raises-awareness-through-her-campaign-yourbodyyoursay/|title=SHWETA SEKHON, Miss Universe-Malaysia 2019, RAISES AWARENESS THROUGH HER CAMPAIGN #YOURBODYYOURSAY ==Modelling career==