ICTS will remain closed on following days during the year 2019.
| Sl No. | Holidays | Month & Date | Day of the week |
| 1 | Makara Sankaranti (Pongal) | Jan 15 | Tuesday |
| 2 | Republic Day | Jan 26 | Saturday |
| 3 | Mahavir Jayanthi | Apr 17 | Wednesday |
| 4 | Good Friday | Apr 19 | Friday |
| 5 | Buddha Purnima | May 18 | Saturday |
| 6 | Id-ul-Fitr * | Jun 05 | Wednesday |
| 7 | Id-ul-Zuha (Bakrid) * | Aug 12 | Monday |
| 8 | Independence Day | Aug 15 | Thursday |
| 9 | Ganesh Chaturthi | Sep 02 | Monday |
| 10 | Muharram * | Sep 10 | Tuesday |
| 11 | Mahatma Gandhi's Birthday | Oct 02 | Wednesday |
| 12 | Dussehra (Mahanavami) | Oct 07 | Monday |
| 13 | Dussehra (Vijayadashami) | Oct 08 | Tuesday |
| 14 | Govardhan Pooja / Balipadyami / Diwali | Oct 27 | Sunday |
| 15 | Milad-Un-Nabi or Id-E-Milad * | Nov 10 | Sunday |
| 16 | Guru Nanak’s Birthday | Nov 12 | Tuesday |
| 17 | Christmas Day | Dec 25 | Wednesday |
* If the dates of any of these festivals are changed by the Karnataka Government, it will be deemed to be holiday for the Centre.
