5e59521d-9879-4257-889e-e19da165863620240311052649337wseas:wseasmdt@crossref.orgMDT DepositEARTH SCIENCES AND HUMAN CONSTRUCTIONS2944-90062944-915410.37394/232024https://wseas.com/journals/eshc/312023312023310.37394/232024.2022.3https://wseas.com/journals/eshc/2023.phpT.SasilathaDept. of EEE, AMET Deemed to be University, Chennai, INDIAG.MohendranDept. of EEE, AMET Deemed to be University, Chennai, INDIAM. AshokKumarDept. of EEE, AMET Deemed to be University, Chennai, INDIAAncient Ports played an important role in overseas trade and also thereby spreading of Dravidian cultural to vast areas. Majority of the rivers of India and their distributaries are suitable for navigation and ports developed along the estuarine mouths.one such port is Poompuhar which is located in mouth of river Cauvery. This city is said to have been swallowed by sea. Many sangam literature has described about this important chola mandala port as a busy overseas trade centre. Since there is sudden extinction of this port, this paper deals with various inshore and offshore findings and thereby by confirms that the Dravidian rich cultural heritage port has been partly submerged under the sea. Also through this it has been confirmed that the ancient seafarers had a knowledge of how to construct docks, wharfs, reservoirs and buildings at various port cities. Monsoon also plays an important role in the daily life of the people of South Asia. Use of the monsoon wind in the Indian Ocean for maritime trade was a boon to sailing ships to reach overseas countries. Archaeological and historical evidence indicates that Poompuhar is one of the oldest port and icon to Dravidian civilisation.123120231231202311912410https://wseas.com/journals/eshc/2023/a20eshc-007(2023).pdf10.37394/232024.2023.3.10https://wseas.com/journals/eshc/2023/a20eshc-007(2023).pdf10.53555/sfs.v10i1.649Sasilatha, T., Mohendran, M.G. and Immanuel, T.B., 2023. Exploring the effects of sea level change on an ancient port city through archaeological discoveries- Poompuhar. Journal of Survey in Fisheries Sciences, pp.681-687. 10.53555/sfs.v10i4s.1654Sasilatha, T., Kumar, M.M.A., Immanuel, T.B., Fadil, M.H.M. and Mohendran, M.G., 2023. Marine Geographic Overview of Coastline Changes with a View of Locating Submerged structures in Ancient Harbour Poompuhar. Journal of Survey in Fisheries Sciences, 10(4S), pp.2737-2742. 10.1007/s41976-023-00084-xSasilatha, T., Kumar, M.A., Immanuel, T.B., Fadil, H.M. and Mohendran, G., 2023. Maritime Intercontinental Trade in Submerged Poompuhar Port City— A Case Study. Remote Sensing in Earth Systems Sciences, pp.1-7. 10.53555/sfs.v10i1.999Sasilatha, T., 2023. Virtualization of the drenched POOMPUHAR Port utilizing bathymetric data processing. 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