Peripheral blood examination and other routine laboratory investigations do not always provide enough information for diagnosis of hematological disease. In such cases evaluation of the bone marrow is required for confirmation of a suspected clinical diagnosis or monitoring the course of therapy. Total numbers of 75 cases were evaluated for bone marrow examination. Clinical data was recorded including physical examination,complete hematological study along with other relevant investigations and proforma filled. Bone marrow aspiration slides were stained with leishman stain. Special stains were performed whenever required.A total of 75 patients were evaluated with a mean age of 38.8years. The most common presentingcomplaintandphysicalfindingswerefever(62.7%)andpallor (90.7%) respectively. The hemoglobin values ranged from 3-13 g/dl, total leukocyte count ranged from 1300-61700/mm3, platelet count ranged from 30000-700000/mm3. The commonest peripheral smear finding was Normocytic hypochromic and Microcytic hypochromic blood picture each in 13 cases (17.3%), followedbyDimorphicblood picture in 10 cases (13.3%). The most common bone marrow finding was Erythroid hyperplasia (29.3%).