Louis Dumont, a French anthropologist, is renowned for his concept of 'Homo Hierarchicus,' which explores the hierarchical social structure and caste system in India.

M.N. Srinivas's study of the village of Rampura focused primarily on caste and social stratification, examining the intricate relationships and hierarchies within the village community.

M.N. Srinivas introduced the concept of 'Sanskritization,' which refers to the process by which lower castes adopt the customs, rituals, and beliefs of higher castes in order to improve their social status.

A.K. Saran's work primarily centers around urban anthropology, exploring the social and cultural dynamics of urban life in India.

Verrier Elwin, an English anthropologist, conducted extensive research on the tribal communities of Central India, documenting their customs, traditions, and beliefs.

In his book 'Caste and Race in India,' G.S. Ghurye argues that caste is a unique Indian phenomenon that cannot be compared to any other form of social stratification found in other societies.

Robert Redfield, an American anthropologist, introduced the concept of 'Little Tradition,' which refers to the local, regional, or folk traditions and beliefs that exist alongside the 'Great Tradition' of classical Hinduism.

Milton Singer's study of the village of Sriniketan focused primarily on religious beliefs and practices, examining the role of religion in shaping the social and cultural life of the community.

A.R. Radcliffe-Brown, a British anthropologist, introduced the concept of 'Segmentary Lineage System,' which describes the social organization of certain societies based on descent and lineage.

In his book 'Pul Eliya: A Village in Ceylon,' Edmund Leach argues that caste in Sri Lanka is a product of the historical conflict between Aryan and Dravidian speakers.

D.P. Mukerji, an Indian anthropologist, introduced the concept of 'Jajmani System,' which refers to the traditional system of patron-client relationships and exchange of goods and services in rural India.

Radhakamal Mukerjee's book 'The Social Structure of Hindu Society' primarily focuses on caste and social stratification, examining the intricate relationships and hierarchies within Hindu society.

M.N. Srinivas introduced the concept of 'Sanskritization,' which refers to the process by which lower castes adopt the customs, rituals, and beliefs of higher castes in order to improve their social status.

In his book 'The Urban Poor in India,' A.K. Saran argues that urban poverty is primarily a result of economic inequality and the lack of opportunities for the urban poor.

G.S. Ghurye introduced the concept of 'Tribe-Caste Continuum,' which suggests that there is a gradual transition from tribal societies to caste-based societies in India.