Explanation:

- M. N. Srinivas, an Indian sociologist, is known for his work on the concept of dominant caste.

- His influential study focused on a village in India where he discussed this concept.

- Option 1: Shiv puri - There is no prominent record of Srinivas conducting his studies here related to the dominant caste.

- Option 2: Hari rampur - This village isn’t linked with Srinivas’ observation of the dominant caste.

- Option 3: Bisipara - This location is not noted in connection with Srinivas' dominant caste research.

- Option 4: Rampura - This is the correct answer. Srinivas conducted a well-known sociological study on the concept of dominant caste in Rampura village.