History:

Karmarkars spread across the globe likely mirrors historical movements of people. Things like forced migrations due to issues in India (like wars or famine) or people choosing to move for work or other reasons probably contributed. Where people settled also mattered; resources and existing communities influenced where this surname ended up.

Description:

Karmarkar: This surname is mainly used by Marathi people in India. However, many people with this surname are from Brahmin or other high-caste backgrounds in Maharashtra. The variety of groups using this surname shows how social structures in India have changed over time.

You might see it as Karmarker (a simpler version), Karamkar (a small change), or even Karmkar (a shorter form). These are just educated guesses based on how names often change over time.