While excavating a site linked to the Sangam Period of south India, archaeologists have unearthed remnants of a civilization in Tamil Nadu whose drainage system resembles that of the Indus Valley Civilization (IVC), which is over 8000 years old.
Shivganga is close to the sea and just across Sri Lanka.
The artefacts include swords, signets, arrows, other iron and copper weapons, ornaments and scribbling nail revealing that the place was inhabited by a warring tribe who had good knowledge of technology of the time.
Artefacts found from the site.
A well at Keezhadi. G. Moorthy/The Hindu
Ancient brick structure. R. Ashok/The Hindu
“The drainage system is similar to what was found in Harappan civilisation site,” ASI officials told PTI.
The site at Keezadi. K Anthony Xavier/TOI
“It is very rare to find the constructions intact. The findings threw more light on the Sankakala Tamil civilisation”, he said.
Before that, sometime in 3rd century BC, the northern part of ancient Tamil Nadu was occupied by the Mauryas. Ashokan pillars also mention the first dynasties of Tamil Nadu – the Chera, Chola, Pandiyas and Satyaputra – indicating that they existed at the time.
A storage pot from the era. R.Ashok/The Hindu
ASI has been digging at the site since 2015. Initial excavations had revealed Sangam Period artefacts and structures besides evidences that the Pandiyan’s had a strong trade relationship with Romans.