Breast cancer is a major global disease happening in a large number of women and it became a leading root of mortality among women. The occurrence rate of breast cancer is increasing in developing nations due to adoption of modern and unhealthy lifestyle variations. e.g. smoking, fatty food, variations in breast feeding, child bearing practices, alcoholism, and exogenous hormonal intake. Objectives To assess knowledge regarding breast-self-examination among women.To evaluate the effectiveness of planned teaching programme on the knowledge regarding breast self-examination among women.To find out the association between pretest mean knowledge score of BSE among women with their selected demographic variables Material and methods Method A study to assess the effectiveness of planned teaching programme regarding breast self-examination on knowledge among women in selected village at Moradabad. Data was collected from 160 samples. The samples where selected by using simple random sampling technique by using structured question. The collected data was analysed using descriptive and inferential statistics and presents in the form of tables and figures. Result In relation to the sources of information 1% of womens for getting information from friends, 3% them from mass media,17% of them from health personnel and 58.75% of women showing inadequate knowledge, 42.25% of women showing moderate knowledge regarding breast self-examination and in posttest majority i.e. 73.75 of women showing adequate knowledge and 26.25% of women showing moderate knowledge regarding breast self-examination. Conclusion 94% of the subjects had poor knowledge regarding the breast self examination and There was no statistically significant association between demographical variables like age, sex, gender, source of information, educational qualification and occupation.