Oriya Alphabet Language Online
The Oriya script developed from the Kalinga script, one of the many descendents of the Brahmi script of ancient India.
Oriya script (From Wikipedia)
The Oriya script is used to write the Oriya language, and can be used for several other Indian languages, for example, Sanskrit.
Oriya Alphabet (PDF Document)
Oriya Alphabet by orissasociety.org.