The script-set introduced here is evolved form the Kingdom of Prag-Jyotisa.

Thus, the name Prag-Jyotisa Script or Prag Script is derived from the name of Prag-Jyotisa Kingdom which was established dating back to at least 4000 BC by a branch of Vedic with capital in present day Darang district of Assam.

At a later date during Vedic age the Kingdom name Prag-Jyotisa changed to Kamarupa, now written as Kamrup, thus, a second candidate for the script name is Kamrupi-script.

Vaisnav Holy Scripture Srimad Bhagavad, epic lore Maha-Bharata, and other yesteryear scriptures frequently mention both Prag-Jyotisa and Kamarupa.

Kamarupa rulers

Produced a large volume of Copper Plate Scripture and Saachi-Paper Scripture. Saachi-Paper was produced from Agar-Plant.

Copper Plate scriptures were mostly produced by Kings and royals while saachi-paper scriptures were produced by both citizens and royals of the kingdom.

These scriptures are now found in museums in India and some in the United Kingdom.

These scriptures are found in two languages, i.e., Kamrupi and Sanskrit.

Seven Century Chinese traveller Huen Tsang travelled that time Kamarupa Kingdom while King Kumar Bhaskarvarma ruled Kamarupa. Huen Tsang wrote a detailed account of the kingdom including its border and the area.

The second revision of Prag-script or Kamrupi-script found in this link is under review. In order to develop the Open Type TTF font for this script, Kamrupi yesteryear Coper Plate scripture and Sachi Scripture have been used as the reference material.

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Prag-Jyotisa is a Sanskrit word. Here "jyotisa" equals electric/flash or lightning while "prag" equals begin or early or start.

Prag-Jyotisa is the name of an ancient kingdom with capital Prag-Jyotisa-Pura. This capital was probably situated in present Darrang district of Assam while Bhauma ruled Prag-Jyotisa. Later on the capital might have moved to present Rangia/Gauhati area by King Naraka, but keeping the same name. The name of the Kingdom changed to Kamarupa probably during or after King Naraka.

Prag-Jyotisa, Prag-Jyotisa-Pura and Kamarupa find frequent mention in Srimad Bhagavad and other Epics lore such as Mahabharata.

Srimad Bhagavad 10.59.2-3:

sri-suka uvaca:
indrena hrta-chatrena hrta-kundala-bandhuna
hrtamaradri-sthanena jnapito bhauma-cestitam
sa-bharyo garudurudhah prag-jyotisa-puram yayau
giri-durgaih sastra-durgair jalagny-anila-durgamam
mura-pasayutair ghorair drdhaih sarvata avrtam

Saint Suk says: After Bhauma, King of Prag-Jyotisa, sieged demigods' playground at the peak of Mandara mountain along with Varuna's umbrella and Indra's mother's earrings, Indra went to Lord Krisna and informed Him of these misdeeds. The Lord, taking His wife Satyabhama with Him, then rode on Garura to Pragyotisa-pura, which was surrounded on all sides by fortifications consisting of hills, unmanned weapons, water, fire and wind, and by obstructions of mura-pasa wire.