Section 2(1)(m) in The Karnataka State Civil Services (Regulation of transfer of staff of Department of Collegiate Education) Act, 2012
(m)"Unit of Seniority" means,-(i)for the purpose of posting of Principal, all teaching and non-teaching staff (except in the category of Group-D posts), of the Department of Collegiate Education shall be the State.(ii)for Group-D category of posts of the Department of the Collegiate Education, the unit of seniority shall be the district.