The Administrative Training Institute(ATI) sprawls over a campus of more than 35 acres in the serene surroundings at the foothills of Chamundi Hills abutting the Karanji Lake. The State Institute for Urban Development (SIUD) and Abdul Nazir Sab State Institute for Rural Development (ANSSIRD) are also located in this campus.

ATI is the apex training institute of the Government of Karnataka. Training programmes that are conducted on regular basis include Foundation Course for Gazetted probationers of the State Civil Services, Orientation courses for IAS / IFS probationers allotted to Karnataka cadre, refresher courses for Senior Officers, Training of Trainers and training on Gender Issues, Financial Management, Legal Issues and Computer Applications. ATI caters mainly to the needs of Grade A and Grade B Officers. There are 28 District Training Institutes (DTIs) which conduct training programmes for Group 'C' and Group 'D' employees.