Niraval

Niraval also known as Neraval or Sahitya Vinyasa is considered to be one of the important features in the extempore improvisation aspect (Manodharma Sangita) of Carnatic music. Niraval is essentially the extempore construction, elaboration and improvisation of swaras for a particular line in the kriti, within the framework of a talam which brings ...
Found on http://en.wikipedia.org/wiki/Niraval

niraval

(from the article `South Asian arts`) ...are a delicate blend of text, melody, and rhythm and are the most popular items of a South Indian concert. The composed elements in these songs ...
Found on http://www.britannica.com/eb/a-z/n/44

Niraval

Niraval or Neraval is the repeated singing of one or two lines of a song, with improvised exposition in each repetition.
Found on http://en.wikipedia.org/wiki/Glossary_of_Carnatic_music
No exact match found