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The unusual cells structure in cerebrum is brain tumor. There are two sorts those are benign and malignant tumor. Identification and characterization of tumor assume a significant part lately. Division of cerebrum Tumor is a one of the fundamental advance in discovery as well as order of tumor. The way toward apportioning a picture keen on a few districts is alluding to picture division. Cerebrum pictures are dissimilar fit as a fiddle; contain commotion, complex in surface, inadequately tested, varieties in picture quality, organic changeability as well as dissimilar elements make a hard errand for mind tumor division. There are algorithms and technique accessible for picture division yet there necessities to construct up a proficient strategy of clinical picture division. In malignant growth determination the clinical imaging strategies assume a significant part these days. The quite possibly the main procedure is Magnetic resonance imaging (MRI) method which is utilized to distinguish as well as find the tumor in the cerebrum. This paper present productive picture divisions approach utilizing K-implies bunching. It is trailed via sifting, thresholding, otsu binarization as well as segmentation stages to give a precise mind tumor discovery. The Median channel is sifting strategy to eliminate the commotion in MRI picture. The proposed procedure can get advantages of K method grouping for picture segmentation through least handling instance. The proposed strategy is approved on BRATS 2015 dataset.