Festivals are awaited with interest and celebrated with great enthusiasm. Festival have become a reason for meeting place of the people and the common language share of human experience, the perception of the larger world as the larger family. They encourage the outward vision and generously of heart and mind, a true celebration of life in every way. Festivals have forever be a celebration that is an exaltation and reaffirmation of life itselt. This study Encyclopedia of Grat Festivals intends to bring to fore many authoritative readings on festivals. The following chapters make core of the study – Hindu Festival; Islamic Festivals; Christian Festivals; Sikh Festivals; Parsi (Zoroastrian) Festivals; Jain Festivals and National, Cultural & Other Festivals.