Consider the following statements with respect to the term ‘Sanskritization’:

1. It is the process by which high caste people adopt the rituals and practices of lower castes.

2. The influence of Sanskritization was confined to Hinduism only.

3. It largely brought structural changes in the caste system by removing caste barriers.

4. It leads to erosion of Dalit culture in society.

Which of the statements given above is/are correct?