Breast cancer is the 2nd most common Cancer worldwide and most common cancer in Indian women. Hereditary and genetic factors account for 5-10 % of Breast Cancer patients. While nonhereditary factors account for majority of patients. Certain risk factors that increase the risk of Breast cancer are Menstrual History (early age at menarche(< 12 y) and later age at menopause), Pregnancy (nulliparous women and late age at first birth after 35 y), exogenous hormone intake like oral contraceptive, Alcohol consumption, and obesity. Breastfeeding and physical activity are known protective factors.