| Ward/Circle/Range/ Commissioner | Remark | Area Code | AO Type | Range Code | AO Number |
| City Area / Jurisdiction | |||||
| WARD 1 & TPS, TUMKUR | All cases of persons having income from business or profession other than salary cases within the territorial areas of Tumakuru Revenue Taluk and whose names begin with alphabets "A to M". In case of Company and its MD, within the territorial areas of Tumakuru Revenue District except the revenue taluks of Tiptur, Chikkanayakanahalli & Turuvekere. | KAR | W | 127 | 1 |
| CIRCLE 1, TUMKUR | All the cases having total income or loss of Rs.20 lakh in cases of companies and Rs.15 lakh in cases other than companies and above within the jurisdiction assigned to the Income Tax Officers of the Range, except cases assigned or to be assigned to any other Assessing Officer. | KAR | C | 127 | 1 |
| WARD 4, TUMKUR | All cases of persons having income from business or profession other than salary cases within the territorial areas of Tumakuru Revenue Taluk and whose names begin with alphabets "Nto R". All other cases which are not assigned to any other Assessing Officer of Tumakuru Range. | KAR | W | 127 | 4 |
| WARD 2, TUMKUR | All cases of persons having income from business or profession other than salary cases within the territorial areas of RevenueTaluks of Koratagere, Madhugiri, Pavagada, Sira, Gubbi & Kunigal. All salary cases of the Revenue Taluk of Tumakuru. | KAR | W | 127 | 2 |
| WARD 3, TUMKUR | All cases of persons having income from business or profession other than salary cases within the territorial areas of Tumakuru Revenue Taluk and whose names begin with alphabets "S to Z". | KAR | W | 127 | 3 |