Thanks for time and prudential opinion and therefore I have attached few pictures as advisedDo you have pictures from any other directions?
From this one picture, I can say the bird has a pied mutation. It probably also has other mutations, like cinnamon or dark factor, because the base color and patterning are off from what I would expect, but I can't make a good guess without better pictures.
Or it could be a hybrid or a different kind of parakeet that was mis-identified as Scarlet-chested. The patterning on the wings looks odd to me. Color mutations usually do not change the pattern of color distribution like that.
Here is a collection of images showing many of the known color mutations for Neophema splendida:
Scarlet chested grasskeet aka splendid grasskeet is a popular species of parakeet from Australia. They are quiet birds in general but ma...happybirdplacefinchandgrasskeetblog.blogspot.com