History and Background for its Establishment: Karanjia N.A.C started functioning from with effect from 15/09/1973 as per G.O. no 26865/H&UD dt 08/09/1973.This N.A.C constituted with the following villages. 1. Karanjia 2. Rairangpur 3. Polasia 4. Girima 5. Jodideuli 6. Karadia 7. Sorubali 8. Ankura 9. Niunti The area of N.A.C. cover 18.94sqr KM which has been divided in to 15 Nos of wards.The total population of the N.A.C as per 2001 census is 21,441,out of which Male-11,276&Female-10,165. This N.A.C Office is functioning since 15.09.73 on its own building. The existing building is in sufficient of accommodation. In this connection the Executive Officer sent a proposal to Govt. H&UD Department vide this letter no.829/ dt.05-06-97 & 740/ dt.09-06-98 for placement of funds for construction of office building staff quarters. The Executive Officer, instructed to remind the Govt. towards placement of funds.

Organization Chart:
The N.A.C Karanjia is the head of the Department as per Rule 428 of Odisha Municipal Rules, 1953. The Chairperson is the head of the Department. The Executive Officer is the Controlling Officer. The following sections work under this N.A.C
1. General Office Establishment including bills and budget headed by a Sr Assistant.
2. Public Works section:- The Municipal Engineer heads this section comprising Junior Engineer and one dealing Officer.
3. Tax Section:- One Tax Collector is the section head assisted by 5 TCs and 6 Peons.
4. Sanitation: One TC is kept in charge of supervision of Sanitation work. He supervise the work of 1 Sweepers, One Watcher is in the sanitation section to supervise the work of Sweepers. Two nos of Tractor of the N.A.C. lift the garbages of the town.