I periodically get inquiries on various issues relating to the genetic position/relatedness of various “communities” in the Indian subcontinent. Thanks to the South Asian Genotype Project I’ve got a rather large database to query such questions.
A reader asked about his own community, the Chandraseniya Kayastha Prabhu of Maharashtra. They are Kayasthas. The actress Kajol Mukherjee is also half CKP (on her mother’s side, obviously).
The PCA plots below should make it clear that the CKP is very close to the Maharashtra Brahmins I have in my samples. This is in contrast to the SKP, who are closer to Gujurati Patels.
Also, the generic Maharashtra Brahmin is closer to the CKP (there are two of these, but they are so close you can’t distinguish them) than it is the Maharashtra Sarswati Brahmin. And, these groups are a bit less “North Indian” than Tamil Brahmins.
Finally, I compared to other Kayastha and Brahmin groups. As is easy to predict, Kayasthas are genetically heterogeneous. I have two Bengali Kayastha. One of them is basically like a generic Bangladeshi. The other is between the Bangladeshis and the Bengali Brahmins on the PCA (both have lots of East Asian admixture). The UP Kayastha individual is close to the SKP, not the CKP.
Also, Guju Brahmins are very North Indian. As North Indian, or more so, than UP Brahmins.