| # | Festivals | Date |
| 1 | Gandhi Jayanti | 02 Oct 2021 (Saturday) |
| 2 | Indira Ekadashi | 02 Oct 2021 (Saturday) |
| 3 | Lal Bahadur Shastri Jayanti | 02 Oct 2021 (Saturday) |
| 4 | Masik Shivaratri | 04 Oct 2021 (Monday) |
| 5 | Mahalaya | 06 Oct 2021 (Wednesday) |
| 6 | Sarva Pitru Amavasya | 06 Oct 2021 (Wednesday) |
| 7 | Darsha Amavasya | 06 Oct 2021 (Wednesday) |
| 8 | Navarathri Sangeetholsavam | 07 Oct 2021 (Thursday) - 15 Oct 2021 (Friday) |
| 9 | Munshi Premchand Death Anniversary | 08 Oct 2021 (Friday) |
| 10 | Jai Prakash Narayan Death Anniversary | 08 Oct 2021 (Friday) |
| 11 | Indian Air Force Day | 08 Oct 2021 (Friday) |
| 12 | Guru Ram Das Jayanti | 09 Oct 2021 (Saturday) |
| 13 | Vinayaka Chaturthi | 09 Oct 2021 (Saturday) |
| 14 | Saraswati Avahan | 11 Oct 2021 (Monday) |
| 15 | Durga Puja | 11 Oct 2021 (Monday) - 15 Oct 2021 (Friday) |
| 16 | Skanda Sashti | 11 Oct 2021 (Monday) |
| 17 | Masik Durgashtami | 13 Oct 2021 (Wednesday) |
| 18 | Maha Navami | 14 Oct 2021 (Thursday) |
| 19 | Dussehra | 14 Oct 2021 (Thursday) |
| 20 | Ayudha Puja | 14 Oct 2021 (Thursday) |
| 21 | Dussehra | 15 Oct 2021 (Friday) |
| 22 | Koratty Muthy Feast | 16 Oct 2021 (Saturday) - 17 Oct 2021 (Sunday) |
| 23 | Papankusha Ekadashi | 16 Oct 2021 (Saturday) |
| 24 | Tula Sankranti | 17 Oct 2021 (Sunday) |
| 25 | Kati Bihu | 18 Oct 2021 (Monday) |
| 26 | Milad-Un-Nabi | 19 Oct 2021 (Tuesday) |
| 27 | Lakshmi Puja (Kojagari Puja) | 19 Oct 2021 (Tuesday) |
| 28 | Masik Karthigai | 23 Oct 2021 (Saturday) |
| 29 | UNO Day | 24 Oct 2021 (Sunday) |
| 30 | Rohini Vrat | 24 Oct 2021 (Sunday) |
| 31 | Sankashti Chaturthi | 24 Oct 2021 (Sunday) |
| 32 | Karwa Chauth | 24 Oct 2021 (Sunday) |
| 33 | Kala Ashtami, Kalashtami | 28 Oct 2021 (Thursday) |
| 34 | Ahoi Ashtami | 28 Oct 2021 (Thursday) |
| 35 | Halloween | 31 Oct 2021 (Sunday) |
| 36 | Indira Gandhi Death Anniversary | 31 Oct 2021 (Sunday) |
| 37 | Rashtriya Ekta Diwas | 31 Oct 2021 (Sunday) |