Alagankulam

Alagankulam is a premier archaeological site located in the Ramanathapuram district of Tamil Nadu. It is situated on the left bank of the Vaigai River, approximately three kilometers from its confluence with the Bay of Bengal at the Palk Strait. This strategic coastal position placed Alagankulam within the territory of the Early Pandyas, serving as an active maritime port contemporary to the Sangam Age.

Classical and Literature Identifications

Historical and linguistic analysis links Alagankulam to the classical maritime network of the Indian Ocean.

• Marungur Connection: Scholars identify Alagankulam with the ancient port city of Marungur, extensively described in Sangam anthologies like the Nattrinai, Akananuru, and Purananuru. The literature portrays it as a bustling coastal mart split into two sectors: Unur (the interior settlement) and Marungurpattinam (the coastal harbor front).
• Greco-Roman Geographies: The site corresponds broadly with the coastal emporia mentioned in the Periplus of the Erythraean Sea and Ptolemy’s Geographia as being situated east of Cape Comorin (Kanyakumari) under the jurisdiction of the Pandyan rulers.

History of Archaeological Excavations

The systematic exploration of Alagankulam has provided crucial stratigraphic data that challenges earlier assumptions regarding the monopoly of Arikamedu in Indo-Roman trade.

Major Excavation Seasons

• Tamil Nadu State Department of Archaeology (TNSDA): The TNSDA has conducted extensive, multi-season excavations at the site starting from 1986–1987 under archaeologists like R. Nagaswamy, Natana Kasinathan, and Abdul Majeed. Subsequent systematic seasons in 1990–1993, 1995, 1997, 2014, and a major large-scale excavation in 2016–2017 have yielded thousands of antiquities.
• Key Findings: Unlike sites with limited commercial indicators, the excavations here revealed dense cultural deposits extending up to six meters below the surface, showcasing uninterrupted habitations and direct Western maritime contact.

Chronological Framework

The cultural sequence at Alagankulam is divided into three distinct chronological phases based on ceramic seriation, stratigraphic layout, and numismatic evidence, pushing its antiquity from the late script-less era into the late classical period.

Chronological Phases of Alagankulam

• Phase I (Circa 400 BCE – 100 BCE): The earliest occupational level characterized by the predominance of indigenous Black and Red Ware (BRW), early Northern Black Polished Ware (NBPW), and the emergence of plain Tamil-Brahmi script on pottery.
• Phase II (Circa 100 BCE – 300 CE): The peak commercial and urban phase matching the height of the Sangam Age. It is marked by a massive influx of Mediterranean imports including Roman amphorae, Rouletted Ware, and stamped potteries, alongside Pandyan square coins.
• Phase III (Circa 300 CE – 700 CE): The late historical phase demonstrating a transition from long-distance Western trade toward local, regional coastal exchange, marked by Late Roman copper coins and coarse red slipped pottery.

Structural and Urban Discoveries

Excavations at Alagankulam have brought to light the sophisticated structural planning of a Sangam-era port town designed to handle bulk manufacture and maritime logistics.

Architectural Features

• Brick Structures: Excavations uncovered remains of massive brick walls and structures built using large-sized burnt bricks characteristic of the Sangam era, measuring roughly 37 x 21 x 5 centimeters.
• Terracotta Ring Wells: Multiple ring wells made of interlocking terracotta rings were discovered. These wells served as the primary source of fresh water for the dense urban populace and industrial processing units near the river mouth.
• Covered Drains and Flooring: Structural layers included rammed clay floorings stabilized with lime plaster and associated covered brick drains designed to channel industrial waste away from domestic zones.

Industrial Activity Matrix

Material Culture and Pottery Assemblage

The pottery profile of Alagankulam is considered one of the richest in South India, providing conclusive evidence of inter-regional and international trade links.

Mediterranean and Foreign Ceramic Imports

• Roman Amphorae: A high concentration of Mediterranean amphorae fragments, specifically of the Dressel 2-4 type originating from Italy and the Aegean islands, used for importing Mediterranean wine and olive oil.
• Rouletted Ware: Exceptionally fine, thin-walled Rouletted Ware variants. Chemical testing reveals that while some varieties were imported, a large portion was produced regionally using imported techniques, decorated with internal concentric rows of rouletted dots.
• African Red Slip Ware: A rare ceramic type dating to the late Roman empire (4th-5th Century CE), confirming that Alagankulam maintained trade links with the Western world long after the decline of the early Roman principalities.
• Northern Black Polished Ware (NBPW): The discovery of deluxe NBPW fragments proves established inland trade routes (Uttarapathapatha connections) linking the Pandyan kingdom with the Mauryan and post-Mauryan Gangetic plains.

Minor Artifacts and Luxury Goods

• Tamil-Brahmi Graffiti: Dozens of potsherds feature post-firing graffiti inscriptions in the Tamil-Brahmi script. These inscriptions contain personal names like Athan, Kiran, and Tisa, indicating high rates of literacy among ordinary traders and citizens.
• Ship Graffiti Potsherd: A unique, highly celebrated potsherd features a line drawing of a large three-masted sailing vessel (Nava or Kappal). This provides direct visual evidence of the type of ships used in Sangam-era trans-oceanic navigation.

The Numismatic and Commercial Network

Alagankulam’s economy was fully integrated into the Indian Ocean trade network, functioning as a vital collection point for luxury items moving between East and West.

Roman Numismatic Accumulations

• Copper Coins: Unlike the inland hoards of South India which consist mainly of Roman gold and silver denarii, Alagankulam yielded a significant number of Roman copper coins.
• Imperial Profiles: These copper coins belong to the Late Roman Empire, featuring the profiles of Emperors such as Valentinian II, Theodosius I, and Arcadius (dating to the late 4th and early 5th centuries CE). The presence of low-denomination copper coins suggests that Roman traders or Romanized agents were living at the port and using currency for daily local transactions.

Domestic Punch-Marked and Pandyan Coins

• Square Pandyan Coins: Local die-struck copper coins featuring the characteristic Pandyan royal emblems—the fish on one side and an elephant or auspicious symbols on the other.
• Imperial Silver Punch-Marked Coins: Pre-Imperial and Mauryan-era silver punch-marked coins containing sun, hill, and animal symbols, indicating active bullion exchange with Northern Indian trade guilds.

Key Differences Between Major Sangam Ports