The present investigation is focused on the study of agriculturally important crop diseases from the Baramati Tehsil in the Pune District, Maharashtra, India. Most diseases causing agent observed during our study included Synchytrium endobioticum, Plasmopara viticola, Albugo candida, Guigmardia citicarpa, Plasmodiophora brassica, Physodenma maydis, Personospora effusa, Synchytrium endobioticum, Plasmopara viticola, Albugo candida, Guigmardia citicarpa, Plasmodiophora brassica, Physodenm Phytophthora infestance, Pythium aphanidermatum, Sclerospora graminicola, Oidium lycopersicum, Podospora xantii, Erysiphae polygoni, Ustilaginodea virens, Phomosis vexans, Claviceps fusiformis, Fusarium oxysporum, Colletotricum dematium, Gramini tritici, Neovossia indica, Ustilago tritici, Sphacelotheca sorghi, Tolyposporium ehrenbergii, Ustilago scitaminea, Ustilago maydis, Sphacelotheca reliana, Uromyces fabae, Cercospora arechidicola, Collectotricum capsici, Collectotricum falcatum, Alternaria solani, Elsinoe ampelina, Alternaria porri, Sclerotinisa sclerotiorum etc. Mastigomycetes (22.5%), Ascomycetes (37.5%), Basidiomycetes (25%), and Deuteromycetes (15%) species were observed throughout the investigation. During the investigation, the largest percentage of Powdery mildew, Wilt illnesses from the sub-division Ascomycetes, and the lowest percentage of Rot diseases from the sub-division Deuteromycetes were reported.