| Ward/Circle/Range/ Commissioner | Remark | Area Code | AO Type | Range Code | AO Number |
| City Area / Jurisdiction | |||||
| ITO WARD 2, DULIAJAN | In the State of Assam, Dibrugarh district outside the limit of Dibrugarh Municipality In the State of Arunachal Pradesh, Districts of East Siang. West Siang. Upper Siang. Dibang valley Lower Dibang valley Longding Area covered by police station of (1) Duliajan , (2) Naharkatia, (3) Jeypore and (4) Namrup 1. Non companies - Income from sources other than income from business or profession - residing within the territorial area mentioned above - return of income or loss below Rs. 10 lakh - name beginning with alphabet "L" to "Z" 2. Non companies - Income from business or profession - having principal place of business or profession is within the territorial area mentioned above - return of income or loss below Rs. 10 lakh - name beginning with alphabet "L" to "Z" 3. Company (including its MD or director or manager or secretary) - having registered office or principal place of business within the territorial area mentioned above - return of income or loss below Rs. 15 lakh - name beginning with alphabet "L" to "Z" | SHL | W | 26 | 12 |
| ITO WARD 1 DULIAJAN | In the State of Assam, Dibrugarh district outside the limit of Dibrugarh Municipality In the State of Arunachal Pradesh, Districts of East Siang. West Siang. Upper Siang. Dibang valley Lower Dibang valley Longding Area covered by police station of (1) Duliajan , (2) Naharkatia, (3) Jeypore and (4) Namrup 1. Non companies - Income from sources other than income from business or profession - residing within the territorial area mentioned above - return of income or loss below Rs. 10 lakh - name beginning with alphabet "A" to "K" 2. Non companies - Income from business or profession - having principal place of business or profession is within the territorial area mentioned above - return of income or loss below Rs. 10 lakh - name beginning with alphabet "A" to "K" 3. Company (including its MD or director or manager or secretary) - having registered office or principal place of business within the territorial area mentioned above - return of income or loss below Rs. 15 lakh - name beginning with alphabet "A" to "K" | SHL | W | 26 | 11 |