| Service | Location | Intercom Extns.
(Suffix to 23371540) | Telephone No. (Direct) |
| PABX No |
|
| 23371540 |
| Central Control Room | Hall No. 1 |
| 23371491 |
| Electrical | Annexe | 354,379,286 | |
| Complaints | | | |
| General Section | Annexe | 421 | 23371749 |
| | Annexe 40-A | | |
| Hindi Section | Annexe | 291 | 23371675 |
| Library | Business Information Center(Hall 19) |
| 23378817 |
| P.R. Unit | Main Bulding | 215,329, | 23371445 |
| | | 373,436 | 23371302 |
| Photo Library | Main Bulding | 304 | |
| Protocol | Main Bulding | 328,332,370 | 23371840 |
| | | | 23371352 |
| Reception-I | Main Bulding | 322 | |
| Reception- II | Main Bulding | 320 | |
| Security Control | Main Bulding | 273,288,292 | 23371507 |
| | | | 23371796 |
| Centre | Annexe | 308,419 | 23379232 |
| | | | 23381529 |
| Engineering | Annexe | 209, 216, | 23371310 |
| Division (Civil) | | 398, 285 | 23371686 |
| Marketing | Main Bulding | 344,460,481 | 23371830 |
| Division | | | |
| Fair in India Division | Main Bulding | 433 | 23371814 |
| Foreign Fair | Main Bulding | 261, 394 | 23371330 |
| Division | | | |
| Architecture Unit | Annexe | 239 | 23371843 |
| Cultural Division | Main Bulding | 284,271 | 23371407 |
| Business Dev .Cell | Annexe | 335 | 23371683 |
| Central Control Room | Hall No. 1 |
| 23371491 |
| Conservancy | Near Hamsadhwani Theatre |
| 23371730 |
| Lal Chowk(Elect. Enquiry) |
|
| 23371879 |
| Elelctrical Control Room | Hall No. 1 |
| 23371867 |
| Executive Engineer(Elect.) |
|
| 23371469 |
| CPWD |
|
| 23371621 |
| Engineering Division | Hall No. 8 |
| 23371880 |
| Horticulture |
|
| 23371680 |
| MTNL Complaints | Hall No.1 |
| 23371653
23371327 |
| Stores Division | Near Gate No. 1 |
| 23371783
23371841 |
| Shakuntalam Theatre | Near Hall No. 19 |
| 23371849 |
| Ware House(Stores Division) | Near Gate No. 1 |
| 23371506 |
| Exhibiton Store | Hall No. 17 |
| 23371356 |
| Nehru Pavillion |
|
| 23371608 |
| Canara Bank | Hall No. 19 |
| 23371812 |
| Central Bank of India | Hall No. 19 |
| 23371473 |
| Post Office | Hall No. 19 |
| 23371549 |
| Telegraph Office | Hall No. 19 |
| 23371333
23371643 |
| Business Information Centre | Hall No. 19 |
| 23378817
23379139
23379232 |
| NID - Showcase Design | Hall No. 19 |
| 23379645
23379646 |
| National Center for Trade Information(NCTI) |
|
| 23371948
23371950 |
| National Science Centre |
|
| 23371263
23371946 |
| Village Complex |
|
| 23371889 |
|
