Hey, Thank you for contacting us. For sociology, you will need to touch on topics like

Sociological Thought: Marx, Durkheim. Weber, Parsons, Spencer, Comte etc.

Research Methodology and techniques

Indian Society: Poverty, Family, Kinship etc.

Society and polity

Society and economy

Technology

Caste and class system

Concepts like Globalization, Modernization, Sanskritization, and Localization.

You can also register and download the official prospectus and look up to it. 

- https://www.jnu.ac.in/main/

I hope this helped.

Best Wishes