| 1 January 2020 | Wednesday | New Year’s Day |
| 15 January 2020 | Wednesday | Pongal |
| 16 January 2020 | Thursday | Thiruvalluvar Day |
| 26 January 2020 | Sunday | Republic Holiday |
| 25 March 2020 | Wednesday | Ugad |
| 6 April 2020 | Monday | Mahavir Jayanti |
| 10 April 2020 | Friday | Good Friday |
| 14 April 2020 | Tuesday | Dr. Babasaheb Ambedkar Jayanti |
| Tamil New Year | ||
| 1 May 2020 | Friday | May Day |
| 24 May 2020 | Sunday | Eid Ul Fitr |
| 31 July 2020 | Friday | Bakrid/Eid-al-Adha |
| 15 August 2020 | Saturday | Independence Day |
| 22 August 2020 | Saturday | Ganesh Chaturthi |
| 30 August 2020 | Sunday | Muharram |
| 2 October 2020 | Friday | Gandhi Jayanti |
| 25 October 2020 | Sunday | Maha Navami |
| 26 October 2020 | Monday | Vijaya Dashami |
| 30 October 2020 | Friday | Id-e-Milad |
| 14 November 2020 | Saturday | Diwali |
| 25 December 2020 | Friday | Christmas Day |