Fungi are complex communities of microorganisms that have deteriorating effects on historic sandstone monuments. This myco-ecological study was specifically made to examine the diversity of fungi associated with deteriorated monuments sites. In the present investigation, 10 samples were collected from various portions of deteriorating sites of Kala Dera-II temple at Manwal. Six fungal species were isolated from deteriorated monument sites are reported in this paper. Among these, Fusarium (Schlechtendahl) fungal species has been found having maximum frequency.