Yes, the first and only caste-based census in India was conducted in 1931 during British colonial rule.
https://educationforallinindia.com/wp-content/uploads/2020/12/logo-2-2.png00adminhttps://educationforallinindia.com/wp-content/uploads/2020/12/logo-2-2.pngadmin2023-05-11 04:10:562023-05-11 04:10:56Has India ever conducted a caste-based census?