Overview of Major Social Groups in Sri Lanka
Sri Lanka is home to a diverse population with several significant ethnic and social groups. The major communities include:

Sinhala Community
- The Sinhala speakers, predominantly Buddhist, represent the largest ethnic group in Sri Lanka, constituting about 75% of the population.
- They have a rich cultural heritage and are primarily found in the southern and western parts of the island.

Sri Lankan Tamils
- The Sri Lankan Tamils, mainly Hindu, make up around 15% of the population.
- They are primarily concentrated in the Northern and Eastern provinces of Sri Lanka and have a distinct cultural identity.

Indian Tamils
- Indian Tamils are descendants of workers brought from India during British colonial rule for plantation work.
- They represent a smaller percentage of the population, primarily residing in the central highlands and maintaining unique cultural practices.

Anglo-Indians
- Anglo-Indians are a minority group with mixed European and Indian ancestry, historically significant during the British colonial era.
- While they have played a notable role in Sri Lankan society, their numbers have dwindled over the years.

Conclusion: The Non-Major Group
Among the options provided, **d. Anglo-Indians** is not considered a major social group in Sri Lanka today. Although they have historical relevance, their population is significantly smaller compared to the Sinhala, Sri Lankan Tamils, and Indian Tamils, who are integral to the demographic and cultural fabric of the nation.