| Sl. No. | Activity | Officer competent to issue permission | Name of the Officer | Phone No. |
| 1 | Sanction of HSC for domestic use |
Commissioner | G. Ramalingam | 9154542663 |
| 2 | Sanction of HSC for non- domestic use |
Commissioner | G. Ramalingam | 9154542663 |
| 3 | Registration of contractors |