Buddha Poornima, this festivals are celebrated in the India, which falls on the full moon night in the month of Vaisaka (either in April or May), the birth anniversary of Lord Buddha, the founder of Buddhism, this is very oldest religions in the world. The principal annual ceremony for the entire Buddhist is the Vaisaka Poornima.

In Sri Lanka this festival is known as "Wesak Festival" and in India it is known as "Buddha Jayanti". Vaisaka Poornima day is fixed by the full-moon day, of the month, which falls in the month of May the Vaisaka. This festival falls according to the Lunar year.

It is an important to give a summarized description on the Buddhist festivals in India, especially in the main places of worship. The great Buddhist festival, Vaisaka, is an occasion for rejoicing does not encourage hectic happy and forget. The Buddhists feel happy; when they are celebrating it is a tranquil and peaceful joy. In most of the Buddhist countries the villages, roads, streets, temples and houses are brightly illuminated with color electric lights and colorful, tasteful meals, sweets and decorations.

In the summers, when the temperature routinely touches 45 C notwithstanding, pilgrims comes from all over the world to Bodh Gaya to attend the Buddha Poornima celebrations. Prayer meets with the day is marked, sermons on the life of Gautam Buddha, religious discourses, and continuous recitation of Buddhist scriptures, group meditation, processions, worship of the statue of Buddha and symposia. The Mahabodhi Temple wears a festive look and is decorated with colourful flags and flowers.

He attained Supreme Enlighten, or Buddha hood, beneath the Bodhi-tree at Boddha Gaya. Forty-five years later i.e. at the age of eighty, he finally passed away in Parinivana on the same day of the year at Kushinagar. Vaisaka Purnima is celebrated especially in Boddha Gaya, Lumbini and in Kushinara as they are the holy places that were connected with the blessed ones birth, enlighten and the Parinirvana.