| 1 | 2 October 2023 (Monday) | Gandhi Jayanti |
| 2 | 2 October 2023 (Monday) | Lal Bahadur Shastri Jayanti |
| 3 | 2 October 2023 (Monday) | Sankashti Chaturthi |
| 4 | 3 October 2023 (Tuesday) | Masik Karthigai |
| 5 | 4 October 2023 (Wednesday) | Rohini Vrat |
| 6 | 5 October 2023 (Thursday) | Tsokum Festival |
| 7 | 6 October 2023 (Friday) | Kala Ashtami, Kalashtami |
| 8 | 8 October 2023 (Sunday) | Indian Air Force Day |
| 9 | 8 October 2023 (Sunday) | Jai Prakash Narayan Death Anniversary |
| 10 | 8 October 2023 (Sunday) | Munshi Premchand Death Anniversary |
| 11 | 9 October 2023 (Monday) | Guru Ram Das Jayanti |
| 12 | 10 October 2023 (Tuesday) | Indira Ekadashi |
| 13 | 11 October 2023 (Wednesday) | Pradosh Vrat |
| 14 | 12 October 2023 (Thursday) | Masik Shivaratri |
| 15 | 14 October 2023 (Saturday) | Mahalaya |
| 16 | 14 October 2023 (Saturday) | Darsha Amavasya |
| 17 | 14 October 2023 (Saturday) | Sarva Pitru Amavasya |
| 18 | 15 October 2023 (Sunday) | Koratty Muthy Feast |
| 19 | 15 October 2023 (Sunday) | Navarathri Sangeetholsavam (15 Oct 2023 (Sunday) - 24 Oct 2023 (Tuesday)) |
| 20 | 15 October 2023 (Sunday) | Maha Navratri (15 Oct 2023 (Sunday) - 24 Oct 2023 (Tuesday)) |
| 21 | 16 October 2023 (Monday) | Chandra Darshan |
| 22 | 18 October 2023 (Wednesday) | Kati Bihu |
| 23 | 18 October 2023 (Wednesday) | Vinayaka Chaturthi |
| 24 | 18 October 2023 (Wednesday) | Tula Sankranti |
| 25 | 20 October 2023 (Friday) | Skanda Sashti |
| 26 | 20 October 2023 (Friday) | Durga Puja (20 Oct 2023 (Friday) - 24 Oct 2023 (Tuesday)) |
| 27 | 20 October 2023 (Friday) | Saraswati Avahan |
| 28 | 22 October 2023 (Sunday) | Masik Durgashtami |
| 29 | 23 October 2023 (Monday) | Maha Navami |
| 30 | 23 October 2023 (Monday) | Ayudha Puja |
| 31 | 24 October 2023 (Tuesday) | Dussehra |
| 32 | 24 October 2023 (Tuesday) | UNO Day |
| 33 | 25 October 2023 (Wednesday) | Papankusha Ekadashi |
| 34 | 26 October 2023 (Thursday) | Pradosh Vrat |
| 35 | 28 October 2023 (Saturday) | Lakshmi Puja (Kojagari Puja) |
| 36 | 30 October 2023 (Monday) | Masik Karthigai |
| 37 | 31 October 2023 (Tuesday) | Rohini Vrat |
| 38 | 31 October 2023 (Tuesday) | Indira Gandhi Death Anniversary |
| 39 | 31 October 2023 (Tuesday) | Rashtriya Ekta Diwas |
| 40 | 31 October 2023 (Tuesday) | Halloween |
