"adapaka" surname belongs to which caste?

"Adapaka" surname belongs to which caste Kalingi .

Explanation:

Kalingi is a caste that can be found in Andhra Pradesh and Odisha which are Indian states. This caste is found primarily in Srikakulam, Vizianagaram, Vishakapatnam and is also found in between the regions of Ganjam and Vizagapatam which are on the borderline.

This caste has a large population and can be easily identified because they wear Yagnopavita which are what they call sacred threads across their shoulders. They are found in the country north of Vamsadhara river, and in the Telugu parts of the country.  They are not found south of the Chipurupalle .

"harry t. moore (1905-1951) – civil rights activist, leader, and the first martyr of the civil rights movement. fannie lou hamer (1917–1977) – leader in the american civil rights movement; co-founder of the national women's political caucus and freedom democratic party. james farmer (1920–1999) – congress of racial equality."

i am pretty sure it is d.