The recording of the song, a duet with popular singer Najim Arshad, was over in December last year, she said.
She was a finalist in the Asianet 'Idea Star Singer' 2011-12 season and the hours of practice for the event finally paid off.
In between, she got to record a song in an album composed by music director Deepak Dev. The song 'Melle, Melle' was a hit on radio stations.
Her rendition drew praise from visually challenged composer Afzal Yusuff who has her crooning for him in the movie 'Ee Yathrayil.'
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"She is a talented singer and I have no doubt, she is going to go places," said Yusuff, whose works came in for special mention from the Kerala State Film awards jury this year.
"Hers is a solo composition, a melody, and the lyrics by veteran Yusufali Kechery," Yusuff said.
Though she has rendered fast numbers as part of reality shows, Shilpa Raju feels her voice is suited for melody numbers.
A graduate in literature, she wants to pursue her studies as well as her singing career.