Portuguese Settlements on the Western Coast of India

The arrival of Portuguese maritime forces in the late 15th century initiated European colonial presence in the Indian subcontinent. Operating under the administrative apparatus of the Estado da Índia, the Portuguese constructed a network of fortified coastal ports along the western seaboard. This chain of trading posts (feitorias) and naval strongholds established a maritime commercial monopoly over the Arabian Sea trade routes.

Origin and Geopolitical Foundations

The discovery of the direct ocean route via the Cape of Good Hope laid the groundwork for Portuguese expansion along western Indian ports.

Treaty of Tordesillas (1494)

• The treaty divided non-Christian territories between Spain and Portugal along a meridian west of the Cape Verde Islands.
• Portugal secured exclusive rights to explore and establish commercial dominance east of this line, opening the Indian Ocean.

Arrival and Initial Contact (1498–1503)

• Vasco da Gama reached Kappad near Calicut (Kozhikode) on May 20, 1498, guided by Gujarati navigator Abdul Majid.
• King Zamorin (Samudri) of Calicut initially permitted trade, but conflicts arose due to Portuguese demands for exclusive commercial rights over Arab merchants.
• Pedro Álvares Cabral established the first short-lived Portuguese feitoria at Calicut in 1500.
• Afonso de Albuquerque supervised the construction of the first permanent Portuguese fort in India at Cochin (Kochi) in 1503.

Key Portuguese Establishments along the Western Seaboard

The Portuguese strategic design targeted vital coastal choke points along the Malabar, Konkan, and Gujarat coasts.

Major Coastal Fortresses and Administrative Hubs

• Cochin (1503): Served as the initial capital of the Estado da Índia from 1505 to 1530. The Portuguese built Fort Manuel and the Santa Cruz Basilica here.
• Cannanore (1505): Francisco de Almeida constructed Fort St. Angelo to secure pepper collection from northern Malabar.
• Goa (1510): Afonso de Albuquerque seized Goa from the Sultan of Bijapur, Ismail Adil Shah. Governed as a central colony with civic privileges equal to Lisbon, Goa became the official capital of Portuguese Asia in 1530 under Governor Nino da Cunha.
• Chaul (1521): Fortified under treaty arrangements with the Ahmadnagar Sultanate to monitor trade off the Konkan coast.
• Bassein / Vasai (1534): Acquired by Nino da Cunha from Sultan Bahadur Shah of Gujarat via the Treaty of Bassein.
• Diu (1535): Strategic island fortress controlling entry into the Gulf of Khambhat. Sultan Bahadur Shah permitted fortification following Ottoman threats, but died in a clash with the Portuguese off the Diu coast in 1537.
• Daman (1559): Captured by Portuguese forces under Governor Constantino de Braganza to seal control over the northern Gujarat trade corridors.
• Mangalore (1568): Fortified post established to regulate rice and pepper exports from coastal Karnataka.

Chronology of Western Coast Settlements

The table below outlines the establishment and historical trajectory of major Portuguese centers along India’s western coast.

Administrative Policies and Trade Systems

Portuguese power on the western coast relied on specialized commercial mechanisms and direct control over maritime pass systems.

Cartaz System and Naval Monopoly

• The Cartaz was an official pass issued by the Portuguese Crown requiring native merchant vessels to pay transit fees.
• Ships lacking a Cartaz faced seizure, cargo confiscation, and crew imprisonment by armed Portuguese armadas.
• Trade in commodities like black pepper, cinnamon, horses, and munitions remained exclusive state monopolies.

Blue Water Policy

• Instituted by the first Viceroy, Francisco de Almeida (1505–1509), this policy prioritized absolute naval control over the Indian Ocean over land expansion.
• Victory at the Battle of Diu (1509) against a joint fleet of the Mamluk Sultanate of Egypt, the Ottoman Empire, the Sultan of Gujarat, and the Zamorin of Calicut secured Portuguese dominance over the Arabian Sea.

Local Integration and Governance

• Afonso de Albuquerque encouraged intermarriage between Portuguese sailors and local women (casados) to build a permanent loyal population.
• In Goa, local village communities maintained traditional customs (Foral de Usos e Costumes), though the practice of Sati was banned within the settlement.
• The Goa Inquisition, introduced in 1560, forcibly converted local populations and suppressed non-Christian religious practices.

Decline of Western Coast Settlements

By the early 17th century, Portuguese dominance began to erode due to systemic vulnerabilities and external competition.

Factors Behind the Decline

• Rise of Rivals: The English East India Company defeated the Portuguese at the Battle of Swally (1612) off Surat, while the Dutch East India Company (VOC) captured Portuguese Malabar forts by 1663.
• Maratha Expansion: The Maratha Empire captured Bassein and Chaul during the Battle of Vasai (1739) under Chimaji Appa.
• Territorial Cessions: The Portuguese Crown ceded the Seven Islands of Bombay to King Charles II of England in 1661 as part of the dowry of Catherine of Braganza.
• Resource Strain: The discovery of Brazil diverted military manpower and investment away from Asian operations.

Essential Historical Facts

Portugal maintained its hold over select enclaves—Goa, Daman, Diu, Dadra, and Nagar Haveli—long after other European powers departed. Dadra and Nagar Haveli were liberated by local nationalists in 1954. The Indian Armed Forces launched Operation Vijay on December 18–19, 1961, annexing Goa, Daman, and Diu into the Indian Union and concluding 451 years of Portuguese colonial presence. Portuguese trade introduced several central crops to India from the Americas, including tobacco, potato, cashew nut, pineapple, tomato, groundnut, and red chilli. The Portuguese also established the first printing press in India at Saint Paul’s College in Goa in 1556, publishing the first text on Indian medicinal plants by Garcia de Orta in 1563.