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Gibberellic acid (GA3) is a plant hormone that stimulate the growth, cell expansion, division and development of a plant. They are an important natural phytohormone, a member of gibberellin family. It was discovered in 1930. It has a wide application in agriculture area and in horticulture. Gibberellin can be obtained from fungi, bacteria, and plants. Fungi especially Gibberella Fuzikuroi are preferred for gibberellic acid production. Bacillus, pseudomonas and Rhizobacteria isolates were isolated and characterized by Gram staining, motility test, plating on selective medium and performing biochemical test are done for the production of Gibberellic Acid. It effects stem elongation, elimination of dormancy, germination, flowering, sex expression, leaf and fruit senescence. Along with development there is an interaction of different environment stress situation viz., light, temperature, nitrogen and water etc. Its production by fermentation and new advances that are being carried out with special interest on SMF technique