About 25,000 inscriptions found in Karnataka and states near by belongs to Kannada rulers like Kadambas, Western Ganga Dynasty, Rashtrakuta, Chalukya, Hoysala and Vijayanagara Empire. Many inscriptions related to Jainism are unearthed. The inscriptions generally found are on stone (Shilashasana) or copper plates (Tamarashasana). The Kannada inscriptions (Old Kannada, Kadamba script) found on historical Hero Stone, coin and temple wall, piller, tablet and rock edict. These Inscription have contributed towards Kannada literature and helped to classify as Proto Kannada, Pre Old Kannada, Old Kannada, Middle Kannada and New Kannada. Inscriptions depicts culture, tradition and prosperity of those era. The worldwide recognized literature Ramayana and Mahabharata are transferred through generation by these Inscription Hazara Rama Temple and Aranmula Parthasarathy Temple are the best example.
Earliest Kannada inscriptions
The first written record in Kannada traced to Ashoka's Brahmagiri edict dating back to around 250 BC, Tagarthi inscription dates back to 350 AD. The stone inscription (dated 370 CE) found at Talagunda near Shiralakoppa in the taluk during excavation by the Archaeological Survey of India (ASI) in 2013-14 is now said to be the earliest Kannada inscription. Nishadi Inscription of 400 AD of Chandragiri hill (Shravanabelagola), Halmidi inscription of 5th century AD and Aihole inscriptions are very important in the history of Kannada and Karnataka. 5th century Tamatekallu inscription of Chitradurga and 500 CE Chikkamagaluru inscription. The earliest known Kannada inscription in Bengaluru region traced to the reign of Sripurusha was discovered in 2018 in Hebbal. There are few Kannada words found in the edicts and inscriptions those are prior to the Christian era in places as far as Egypt.
Brahmagiri rock inscription of Ashoka
Ashoka rock edict at Brahmagiri in Chitradurga district is the ancient site of Ishila. An inscription there contains this most ancient Kannada word. The earliest recorded word of Kannada is Isila occurring in the Brahmagiri rock inscription of 252 BC (similar to many other inscriptions with Kannada words).
Tagarthi inscription
A Dr. S. Shettar completed a detailed palaeographic study over 10 years, finding five to six inscriptions that are older than Halmidi inscription (in Poorvada Halegannada dialect). The inscription is a mix of Brahmi, Kannada and Nagari scripts. One of those found at Tagarthi (within the Gangavadi region in Shimoga district) dates to 350 AD, during the Ganga dynasty. This study pushed the date push back by at least a century. The historian Suryanath Kamath also agree with the findings of Dr S. Shettar.
Gunabhushitana Nishadi inscriptionM. G. Manjunath an epigraphist Mysore based scholar discovered 400 AD Gunabhushitana Nishadi inscription of Jainism one of the 271 inscriptions on Chandragiri hill of Shravanabelagola found near Parshwanatha Basadi, which is 50 years older than Halmidi inscription. It is mentioned in the Epigraphia Karnataka. There are Prakrit, Sanskrit and Purvada Halegannada (Old Kannada words. The four lined inscription has six words. The inscription is in Shatavahana Brahmi and Aadi Ganga script. M. Chidananda Murthy also agree that Gunabhushitana Nishadi Shasana was a Kannada inscription (in Purvada Halegannada script).
Halmidi inscription
The 5th century AD Halmidi inscription 16-line earliest Kannada inscription found at Halmidi in Belur taluk of Hassan district on rectangular sandstone ( 2.5 ft height and 1 ft width) has a Vishnu Chakra on its top. The language of the inscription is in Poorvada Halegannada ( Proto-Kannada). Archaeologist M. H. Krishna found the Brahmi script in the inscription. Shifted the inscription to Archaeological Museum, Mysore and later to Government Museum in Bangalore. Epigraphia Karnataka has dedicated a chapter to study of the inscription. The linguists and writers Govinda Pai, M. Chidananda Murthy, T. V. Venkatachala Sastry, Ram Sri Mugali, R.S. Panchamukhi, D.L. Narasimhachar, and M. M. Kalburgi studied the inscription and published papers. Writers including G. S. Gai, T. A. Gopinatha Rao, T. N. Srikantaiah, Shivarama Aithala, S. Nagaraju, S. Srikanta Sastri, M. Mariyappa Bhatta, M. B. Neginahal, K. V. Ramesh, Devarakondareddy and K. M. Hanumantha Rao have discussed the important issues raised by Halmidi inscription in their books.