She entered into Saundarya Abhimani competition(division of GHAZAL) in 2019 and won the first place and received grand prize of a full sponsorship to represent her university in the South Asian Inter-university Music Festival in India.

[5] In 2020, she competed in the TV reality show Derana Dream Star season IX and won the second place in the competition.

[1][9] She was pushed more into the public sphere after she sang the theme song Sihinayak Mewna in March, 2021, for the Iskole teledrama, which was broadcast on TV Derana.

[1] Following this surge in fame, in August 2021, she voiced the theme song “Malen Upan Samanali” with Raween Kanishka for TV Derana, Deweni Inima tele drama, which has reached over 15 million views on YouTube as of April 2022.

[13][14] In December 2021, Nuwandhika toured Dubai with veteran musician Keerthi Pasqual for a musical evening at the Radisson Blu Deira Creek Hotel.

On March 22, 2024, the new dates for the postponed Dream Voices Canada Tour was announced, with Lavan Abhishek replacing Falan Andrea.