Detailed Breakup of The Formations:
The ‘abstract’ of formations with ‘detailed break up from Preventive Post up’ are as hereunder: Abstract of Formations:
| Sl.No | Name of the formation | Number of formations |
| 1 | Divisions | 08 |
| 2 | Land Customs Stations | 25 (functional)
10 (Non functional) |
| 3 | Preventive formations | 01 (Hqrs. Anti Smuggling Unit)08 (Divisional Anti smuggling Units)27 (Customs Preventive Force)
11 (Preventive Posts) |
| 4 | International Airport | 01 |
| 5 | ICD | 01 |
| 6 | Export Extension Counter | 01 |
Divisions:
To effectively control this vast area this Commissionerate is divided into eight divisions located at the following states for effective control over the entire North Eastern region:
| Name of the Division | Jurisdiction | |
| i | Agartala | Entire State of Tripura except North Tripura |
| ii | Aizawl | Entire State of Mizoram |
| iii | Dhubri | Dhubri, Bongaigaon, Goalpara, Kokrajhar and Barpeta Districts of western AssamWest, East and South Garo Hills Districts of Meghalaya. |
| iv | Dimapur | Entire State of NagalandKarbi Anglong, Golaghat, Jorhat, Sibsagar, Tinsukia, Dibrugarh Districts of South-Western Assam along with parts of Nagaon District of Central AssamLohit, Changlang and Tirap Districts of Eastern Arunachal Pradesh |
| v | Guwahati | Kamrup, Nalbari, Sonitpur, Darranga, Marigaon, Lakhimpur, Dhemaji Districts along with parts of Nagaon and Karbi Anglong Districts of Assam.Tawang, West Kameng, East Kameng, Upper Subansiri, Lower Subansiri, West Siang, Upper Siang, East Siang, Dibang Valley and Lower Dibang Valley Districts of Arunachal Pradesh |
| vi | Imphal | Entire State of Manipur |
| vii | Karimganj | Hailakandi, Karimganj & Cachar Districts of southern Assam along with parts of North Cachar Hills District of central AssamTripura North District of Tripura |
| viii | Shillong | East Khasi Hills District, Ri-Bhoi District, Jaintia Hills District and West Khasi Hills District of Meghalaya |