- Schools in the following districts of Tamil Nadu have been declared a holiday on Tuesday (December 13) due to heavy rains.
- Tiruvallur
- Chengalpattu
- Kancheepuram
- Schools and colleges of following districts in Tamil Nadu will remain closed on Saturday (December 10) due to forecast of heavy rain in the wake of cyclone Mandous. The collectors of the respective districts declared the holiday.
- Chennai
- Kancheepuram
- Thiruvallur
- Chengalpattu
- Vellore
- Ranipet
- Villupuram
- Cuddalore
- Kallakurichi
- Krishnagiri
- Nilgiris
- Dharmapuri
- Salem
- Thiruvannamalai
- Tirupattur