Plasma cell granuloma of gingiva is a rare benign lesion of oral cavity characterised by infiltration of the plasma cells in the connective tissue stroma.They primarily occur in the lungs.But,it may also be seen in brain, kidney, stomach, heart and so on.Intraorally it occurs in tongue, oral mucosa and gingiva[1]. We report a case of 35 years old female patient presenting with a gingival mass opposite to the third molar tooth of left side, since two months.This mass caused her difficulty in chewing however it was painless. All routine investigations carried were within normal limits.Radiologically infiltrative borders of the mass were seen. She was treated with excision biopsy. Histopathologically the diagnosis was given of plasma cell granuloma.