Aegle marmelos (Linn) Correa, commonly known as bael or (bel), belonging to the family Rutaceae, is a moderate sized, slender and aromatic tree. A number of chemical constituents and various therapeutic effects of Aegle marmelos have been reported by different workers. The seasonal variation of water soluble extractive, alcohol soluble extractive and ether soluble extractive have been investigated in leaves, wood, bark and root of Aegle marmelos. Comparative account of seasonal variations of water soluble extractive of leaves, wood, bark and root of Aegle marmelos was showed high level of water soluble extractive in leaves (range from 3.70%-4.60 %), alcohol soluble extractive in leaves (range from 3.75%-5.75%) and ether soluble extractive in leaves (range from 2.60%-3.85%) than wood, bark and root.