The correct answer is c) De Almeida.

De Almeida, also known as Afonso de Albuquerque, was appointed as the first Viceroy of the Portuguese possessions in India. He played a crucial role in establishing and expanding the Portuguese presence in the Indian Ocean region during the early 16th century.

Afonso de Albuquerque's Early Career:
- Afonso de Albuquerque was born in Portugal in 1453. He joined the Portuguese navy at a young age and quickly rose through the ranks due to his military skills and strategic thinking.
- During his early career, Albuquerque participated in several expeditions to North Africa. He gained valuable experience in naval warfare and diplomacy.

The Arrival in India:
- In 1503, Afonso de Albuquerque arrived in India as the captain of a fleet of Portuguese ships. At that time, the Portuguese had already established a trading post in Calicut (now Kozhikode) on the Malabar Coast.
- Albuquerque was determined to expand Portuguese influence in the Indian Ocean and challenge the dominance of other maritime powers such as the Arabs and the Ottomans.

Appointment as Viceroy:
- In 1509, Albuquerque was appointed as the first Viceroy of Portuguese India by King Manuel I of Portugal. This appointment gave him significant authority and control over Portuguese possessions in the region.
- As Viceroy, Albuquerque was responsible for establishing a strong Portuguese presence in the Indian Ocean and safeguarding Portuguese trade routes.

Achievements and Policies:
- Albuquerque implemented a series of policies to strengthen Portuguese control in India. He built fortified settlements, established trade agreements, and formed alliances with local rulers.
- He captured strategic ports along the Indian coastline, including Goa, which became the capital of Portuguese India. Albuquerque also established a Portuguese presence in Sri Lanka and the Persian Gulf.
- Albuquerque adopted a policy of forceful conquest and established a strong Portuguese naval presence in the region. He successfully defeated several Arab fleets and secured Portuguese dominance.

Legacy:
- Afonso de Albuquerque's tenure as Viceroy laid the foundation for Portuguese dominance in the Indian Ocean and the establishment of a vast maritime empire.
- His policies and strategies shaped Portuguese colonial rule in India for centuries to come.
- Albuquerque's legacy is still evident in the historical landmarks and architectural structures that he built, including the Fort of St. Angelo in Kannur and the Portuguese-built churches in Goa.

In conclusion, Afonso de Albuquerque, also known as De Almeida, was appointed as the first Viceroy of the Portuguese possessions in India. He played a significant role in expanding Portuguese influence in the Indian Ocean region and establishing a strong Portuguese presence in India.