This paper deals with manufacturing of five different types of fuses namely HN-000, HN-0, HN-1, HN-2, HN-3. Company had found that rejection of fuses of all types was more than 7%. This research paper is based on implementing Six Sigma methodologies at one of the suppliers of company to improve the process of manufacturing HN Fuse link. This paper also discusses the additional benefits achieved post implementation of Six sigma methodology like minimizing lead time, defects, rejections to name a few. Overall improvement in quality and raised the sigma level from 4.31 to 4.56.