She completed her graduation in BA English BCM College , Kottayam; where her musical side was recognized and encouraged by her friends.

[5][6][7] She has also recorded[8][9] as well as performed in various stage shows with prominent artists in India as well as USA,[10] Canada, UK,[11][12] Australia,[13][14] UAE, South Africa, Indonesia, Bahrain,[15] Doha and Kuwait to name a few.

Delsy's playback singing career started off with the movie "Isra" in 2005, songs of which were composed by Sunny Viswanath.

She got her big break in playback singing through the 2010 Dileep starrer Malayalam movie 'Karyasthan' in which the song "Malayalai Penne" went on to become a super hit.

These two hits contributed in a big way into establishing Delsy as a sought after singer among the public as well as professional musicians.

She also sang the song "Poonchola" composed by Unni Nambiar in the movie "Village guys" the same year.