Context: India will host its first-ever international conference on Manuscript Heritage from 11 to 13 September at Bharat Mandapam in New Delhi. The scholars from around the world will also present their work on the Harappan Script.
Relevance of the Topic:Prelims: Key facts about Indus Valley Civilisation and Indus Valley Script.
First Global Conference on Manuscript Heritage
- Hosted by: Ministry of Culture
- Title: Reclaiming India's Knowledge Legacy Through Manuscript Heritage
- The event aims to bring global attention to India’s vast and diverse manuscript tradition.
India is home to more than 10 million manuscripts in various languages and subjects such as philosophy, science, mathematics, medicine, rituals, and literature.
Why have scholars struggled to decipher Harappan Script?
- In 1924, Sir John Marshall announced the discovery of the Bronze Age culture or Harappan Civilization that thrived in the Indus Valley between c. 3300 BCE and 1300 BCE.
- The Harappan script, and the underlying language spoken by Harappans spoke are still undeciphered more than a century after the discovery.
- Various interpretations exist about the underlying language represented by the Harappan script. It has been claimed to be Sanskrit; a form of proto-Dravidian; and even Ho and Santali. However, such claims are often made with scant evidence.
The Challenge to Decipher a Script:
To decipher a script, the following subproblems have to be solved in order.
- Deciding if a set of symbols actually represent a writing system
- Devising appropriate procedures to isolate or segment the stream of symbols into a sequence of single signs
- Reducing the set of signs to the minimal set for the writing system forming (its alphabet, syllabary, or inventory of signs) by identifying all allographs (the same sign written in a variant form, for example a printed ‘a’ and a cursive ‘a’)
- Assigning to each symbol their specified value, whether phonetic or otherwise
- Trying to match these values to a specific language.
Associated Challenges in Indus Script:
In the case of the Indus script, many of these problems remain unsolved due to three main reasons.
- Absence of Multilingual Inscriptions: The most helpful tool to decipher an unknown script is parallel or bilingual inscription (by direct comparison with other known scripts). Though the Indus Valley Civilisation had robust trade links with the contemporary Mesopotamian Civilisation, no multilingual inscriptions have been discovered so far.
- Language Not Known: Harappan script falls in the category of “unknown script written in an unknown language”. This makes it the most challenging to decipher as there are no familiar points of reference, unlike Egyptian hieroglyphs (unknown script but known language family).
- Limited Knowledge of Civilisation: In comparison to contemporaneous ancient civilisations in Mesopotamia and Egypt, much less is known in general about the Harappan civilisation. Although some 3500 Harappan seals have been identified, as each seal has on average only 5 characters inscribed, there is not enough material to analyse.

Key features of Indus Valley Script:
- Short inscriptions: Indus inscriptions are very short with only about 5 characters on average, with the longest having only 26 characters.
- Boustrophedon script i.e., it is written from right to left on one line and then from left to right in the next line.
- Pictographic script: The script is not alphabetical. There are about 250 to 400 pictographs in the form of a picture; each letter stands for some sound, idea, or object.
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