| S.No. | Day | Date | Holiday |
| 1 | Monday | 1-Jan-18 | New Year Day |
| 2 | Sunday | 14-Jan-18 | Pongal |
| 3 | Monday | 15-Jan-18 | Thiruvallur Day |
| 4 | Tuesday | 16-Jan-18 | Uzhavar Thirunal |
| 5 | Friday | 26-Jan-18 | Republic Day |
| 6 | Saturday | 14-Apr-18 | Dr.Ambedkar Jayanti / Tamil New year |
| 7 | Tuesday | 1-May-18 | May Day |
| 8 | Wednesday | 15-Aug-18 | Independence Day |
| 9 | Sunday | 02-Sep-18 | Krishna Jayanthi |
| 10 | Thursday | 13-Sep-18 | Ganesh Chaturthi |
| 11 | Tuesday | 02-Oct-18 | Gandhi Jayanti |
| 12 | Thursday | 18-Oct-18 | Ayudha Pooja |
| 13 | Friday | 19-Oct-18 | Vijaya Dashami |
| 14 | Tuesday | 06-Nov-18 | Dewali |
| 15 | Tuesday | 25-Dec-18 | Christmas |
ARBITER REFRESHER COURSE FOR THE YEAR 2025-26 FOR LEFT OVER ARBITERS ON 3 & 4 JUNE 2025 
Round 5 :–Asian Individual Chess Championship 2025 
SNA Seminar & Exam in Kandivali West ,Mumbai on 24 & 25 May 2025 
Asian Junior/ Girls Chess Championship 2025 from 25th June to 4th July 2025 in Sri Lanka 
AICF Refresher Course 2025-26