This paper proposes case study to improve process control of a service provider in food and beverage industry in this regard the study includes the analyses of the current system depicting the existing problems within the company. The study then analysis the cause of existing problems and designs a customized improvement methodology while establishing a sustainable process control. Creating an effective and sustainable process control methodology is also considered to improve the unexplained drop in sales. Strategies based on Six Sigma approach, DMAIC process control strategy have been followed to solve the demand supply related sales problems of the business
