What is "nandinagari"

Nandinagari is a Brahmic script derived from Nāgarī script which appeared in the 7th century AD. This script and its variants were used in central Deccan region and south India, and an abundance of Sanskrit manuscripts in Nandinagari have been discovered but remain untransliterated. Some of the discovered manuscripts of Madhvacharya of Dvaita Vedanta school of Hinduism are in Nandinagari script.

Its sister script is Devanagari, which is common in other parts of India.