There is no standalone solo female "official" version recorded for the film; the original is a duet/group song featuring Minmini.
When you search for the top Google results will likely show sketchy websites like "mp3skull," "pagalworld," or "mr-jatt." Avoid these at all costs. kunjuvavakkinnallo song mp3 download female
The song is often searched for in a "female version" because it is a popular choice for children's birthday celebrations and lullabies. There is no standalone solo female "official" version