Concept:
"Unity in Diversity" is the core philosophical and anthropological premise characterizing the socio-cultural fabric of pluralistic nations like India.
It embodies a model of cultural pluralism where diverse linguistic, religious, regional, and ethnic groups coexist harmoniously within a unified political entity.
This question tests the defining attribute of the concept of unity in diversity.
Step 1: Meaning of Unity in Diversity:
Unity in diversity does not mean cultural homogenization, forced assimilation, or cultural hegemony of a dominant group.
Instead, it recognizes that national cohesion is strengthened when the distinct identities, indigenous customs, languages, and unique heritage of all individual communities (majority and minority alike) are acknowledged, respected, preserved, and actively promoted.
Step 2: Evaluating Incorrect Options:
1. Option (A): Cultural dominance/majoritarianism directly violates pluralistic unity.
2. Option (B): "One nation, one culture" represents monocultural assimilation, which suppresses diversity.
3. Option (C): Denying minority representation undermines the democratic foundation of unity.
Step 3: Final Answer:
The fundamental feature of unity in diversity is that the identity of every community is respected, preserved, and promoted within the national collective.
Therefore, Option (D) is the correct choice.