While the attention is focused on the the Indian election, a few authoritative online magazines have written on the Indus Valley Civilization (of which the main city were Mohenjo Daro and Harappa), which has not been fully deciphered yet. The main issues are: was the civilization written, and therefore had a literate culture? Are the signs on seals symbols only, or characters of a script? Is there any link between Harappan and Vedic cultures?
I want to point out two articles because the first one is published on Wired, the famous tech magazine, and the second is a sort of summary of the whole debate and is published on Asia Times. We cannot but agree with Raja Murthy, the author of the last article, who writes:
If the Indus Valley has an equivalent to the sensational 18th-century discovery of the Rosetta Stone, considered one of the greatest-ever historical finds, that would indeed confirm whether the Indus symbols are a written language - one possibly opening the doorway to an unknown civilization. [...]