Kalinga (also known as Kalingi/Kalinji/kalanji/Kaalinga) they were people of kalinga dynasty mainly cultivators and temple priests found mainly in Ganjam , Srikakulam, Vizianagaram, and Visakhapatnam . In srikaulam they are known for philanthropic activities and educational upliftments.
They are an endogamous population.
For list gotras and surnames of kalinga caste refer http://kalingaworld.com/Gothralu.aspx#