Public holidays in India

India, being a culturally diverse and fervent society, celebrates various holidays and festivals. There are four national holidays in India: Independence Day on 15 August, Mahatma Gandhi's birthday on 2 October, Republic Day on 26 January, and Ambedkar Jayanthi on 14 April.

States have local festivals depending on prevalent religious and linguistic demographics. Popular religious festivals include the Sikh festivals like Guru Nanak Jayanti and Vaisakhi; Hindu festivals of Makar Sankranti, Maha Shivratri, Janmashtami, Saraswati Puja, Diwali, Ganesh Chaturthi, Raksha Bandhan, Holi, Durga Puja, Dussehra; Islamic festivals of Eid ul-Fitr, Eid al-Adha, Milad un-Nabi, Muharram and Christian festivals of Christmas and days of observances such as Good Friday are observed throughout India.

National holidays are observed in all states and union territories.

India has four national days.

They are:

Hindus celebrate a number of festivals all through the year. Hindu festivals have one or more of religious, mythological and seasonal significance. The observance of the festival, the symbolisms used and attached, and the style and intensity of celebration varies from region to region within the country. A list of the more popular festivals is given below:-

...
Wikipedia