 The main building comprises Governor’s suite with attached dining and study rooms, three guest rooms namely "Tirap" "Lohit" and "Siang" on 1st floor and 2 guest rooms namely "Kameng" and "Subansiri" on the ground floor.Apart from these there are three annexe rooms "Tawang", "Dirang" and "Changlang" for the guests.Office room of Governor, ADC’s room and room of PS are on the ground floor.