An ancient Hindu festival, dedicated to Lord Surya and Chhathi Maiya (known to be the sister of Surya), Chhath Puja is unique to the states of Bihar, Jharkhand, Eastern Uttar Pradesh and the country of Nepal. It is the only Vedic festival that is dedicated to the Sun God, who is supposed to be the source of all powers and Chhathi Maiya (another name for Goddess Usha from the Vedic period). The god of light, energy and life force is worshipped in order to promote well being, development and the prosperity of human beings. Through this festival, people aim towards thanking the Sun God for a period of four days. The devotees who observe the fast during this festival are called Vrati.

Maha Shivaratri is a Hindu festival celebrated annually in honour of Lord Shiva, and in particular, marks the day of the celebration of marriage of Shiva. There is a Shivaratri in every luni-solar month of the Hindu calendar, on the month's 13th night/14th day, but once a year in late winter (February/March, or phalgun) and before the arrival of Summer, marks Maha Shivaratri which means ""the Great Night of Shiva"". It is a major festival in Hinduism, and this festival is solemn and marks a remembrance of ""overcoming darkness and ignorance"" in life and the world. It is observed by remembering Shiva and chanting prayers, fasting, and meditating on ethics and virtues such as honesty, non-injury to others, charity, forgiveness, and the discovery of Shiva.

The primary purpose of celebrating Dahi Handi is to commemorate sweet endearing deeds of Lord Krishna. This is an enactment of Lord Krishna and his team. Lord Krishna was quite spirited and naughty as a child. ... It is mainly celebrated in the state of Maharashtra, where huge preparation of Dahi Handi takes place.

What is Dahi Handi ?

The event involves making a human pyramid and breaking an earthen pot filled with milk, curd, butter, fruits and water which is hung at a convenient height, thus imitating the actions of child Krishna.

Why Janmashtami is celebrated 2 days?

The Krishna Janmashtami festival marks the birth of Krishna, one of the most popular deities worshipped by Hindus. It falls in the Hindu month of Sravana, which normally corresponds to August or September. Celebrations are spread over two days and are vibrant and passionate.