An investigation was carried to study the fungal diseases of eight selected local fruits in Cachar district and twenty three fungal pathogens were isolated which caused spoilage of fruits. Samples were plated out on potato dextrose agar (PDA)  medium and incubated at 28ËšC±2ËšC. Resulting growth microscopically screened for fungal species. Aspergillus was commonest fungus found in all fruits during storage of fruits.Other genera like; Acremonium, Alternaria, Aspergillus, Chalaropsis, Cladosporium, Curvularia, Fusariumm, Mucor, Penicillium, Rhizopus, and Trichoderma  were common in fruits stored stored in warm and humid condition.