Block Information:-
| Name of the District | No. of Dev. Blocks | Under Diphu Sub-Divn. | Under Bokajan Sub-Divn. |
Under Hamren Sub-Divn. (now West Karbi Anglong Dist.) |
| Karbi Anglong | 11 Nos. | 4 Nos. | 4 Nos. | 3 Nos. |
| Sl. No | Name of the Block | District | Block HQ | Under Sub-Divn. | Name of the Block Dev. Officer (BDO) |
| 1 | Lumbajong Dev. Block | Karbi Anglong | Manja | Diphu | Smt. Manju Lata Ronghangpi |
| 2 | Langsomepi Dev. Block | Karbi Anglong | Bakulia | Diphu | Sri Hemai Timung |
| 3 | Samelangso Dev. Block | Karbi Anglong | Dokmoka | Diphu | Sri Rajen Borgohain |
| 4 | Howraghat Dev. Block | Karbi Anglong | Howraghat | Diphu | Sri Hemai Timung |
| 5 | Bokajan Dev. Block | Karbi Anglong | Bokajan | Bokajan | Sri Jevin D. Changsan |
| 6 | Nilip Dev. Block | Karbi Anglong | Chowkihola | Bokajan | Sri Jevin D. Changsan |
| 7 | Rongmongwe Dev. Block | Karbi Anglong | Kath Teron | Bokajan | Sri Balendra Kakati |
| 8 | Rongkhang Dev. Block | West Karbi Anglong | Donka | Hamren | Sri Shashi Kanta Timung |
| 9 | Chinthong Dev. Block | West Karbi Anglong | Hamren | Hamren | Sri Suraj D. Sangma |
| 10 | Socheng Dev. Block | West Karbi Anglong | Jirikinding | Hamren | Sri Kanak Ch. Kalita |
| 11 | Amri Dev. Block | West Karbi Anglong | Ulukunchi | Hamren | Smt. Reeta Millickpi |
