Scientists in the country have found remnants of a historically important port on Goa's Zuari river which is expected to be amongst the oldest signs of human trade on the central west coast and may be contemporary to Dwarka in Gujarat.
The researchers say they may discover a dockyard similar in structure to Lothal dockyard (4500 years old), discovered by Archaeological Survey of India (ASI) in Gujarat in 1954.
Goa-based National Institute of Oceanography (NIO) is working on 1.2 kms long wall along the Zuari River few kms away from here and it is expected to be a part of an old port, existed anywhere between 1,000 to 3,500 AD, that is currently buried.
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The experimental surveys conducted by the researchers of Marine Archaeology Unit of the National Institute of Oceanography have revealed the existence of cross walls which stands inundated in the water.
"We will now be submitting proposal to the Ministry of Earth Sciences and/or Goa government to conduct further detailed exploration of this site," Nigam added.
He said radio carbon and thermo-luminance [TL] dating of the sediment is required to find out correct age of this ancient port.