Reform Party Chong-Aruldoss entered politics in 2009 and eventually became a member of the
Reform Party's central executive committee. She left the Reform Party on 18 February 2011 due to "differences of opinion".
National Solidarity Party In 2011, Chong-Aruldoss joined the
National Solidarity Party (NSP), and stood for election as a NSP candidate during the
general election that year in
Mountbatten SMC. However, she lost to
Lim Biow Chuan, the candidate from the governing
People's Action Party (PAP), after getting 41.38% of the vote against Lim's 58.62%. On 27 October 2013, Chong-Aruldoss was elected the secretary-general of the NSP following the resignation of her predecessor,
Hazel Poa. In January 2015, Chong-Aruldoss challenged
Sebastian Teo for the position of president of the NSP but was voted out of the NSP's central executive committee.
Singapore People's Party Chong-Aruldoss eventually left the NSP and joined the
Singapore People's Party (SPP) in April 2015.
Leaving the Singapore People's Party On 2 September 2019, Chong-Aruldoss resigned from the SPP. In October 2019, Chong-Aruldoss was seen accompanying
Workers' Party members on a walkabout in the
Eunos Crescent area of
Marine Parade GRC. In 2021, Chong-Aruldoss wrote an article on
Medium encouraging Singaporeans to get
vaccinated for
COVID-19. ==Personal life==