Helpline
- State Control Room : 1070
- Collectorate Control Room : 1077
- Collectorate Board : 044 – 27237424,27237425
- Police Control Room : 100
- Accident Help Line : 108
- Fire and Rescue : 101
- Ambulance Help Line : 102
- Child Help line : 1098
- Disaster Help Line : 1077 / 044-27237107
- Sexual Harashment : 1091
- BSNL Help Line : 1500
- Dengue WhatsApp Number : 8098160003
- National Disaster Response Force – Arakkonam : 04177 – 246269 , 9442105169