Consider the following statements about Ranjit Guha’s contributions to Indian historiography:

1. Ranjit Guha is considered the founding figure of the Subaltern Studies Collective, which focuses on the history of the marginalized or “subaltern” groups.
2. His work aimed to challenge the elitist perspectives in Indian historiography by focusing on peasant uprisings and grassroots resistance.
3. Guha's influential work, “Elementary Aspects of Peasant Insurgency in Colonial India,” deals primarily with the role of elite leaders in revolutions.
4. The Subaltern Studies approach seeks to present history from the perspective of common people rather than focusing solely on colonial or elite narratives.

Which of the above statements are correct?