South Asia: South Asia also exhibits significant diversity within the R1 haplogroup. R1a, in particular, is prevalent in South Asia, and it is often associated with the Indian subcontinent. Various subclades of R1a are found in different regions of South Asia, including India, Pakistan, Nepal, and Bangladesh. The diversity of R1a subclades in South Asia is influenced by historical migrations, regional population movements, and the complex genetic history of the subcontinent.