Quality plays very important role in today’s highly competitive industrial
environment. Quality leads to an improvement in productivity. By improving
quality, the method of optimization reduces process operational costs and
variation in product. Quality, productivity & cost of operation relatively
depended to each other. The main goals of quality management are customer
satisfaction by delivery of defect free products at quality cost. Controlled
processes are the most important ways to reach this goal. The primary
objective of quality control in any organization is to reduce the costs of its
operation. If control efforts do not lead to any saving in costs or cost reduction
then, in principle there is no need for quality control. However, in most control
activities, cost saving are real and they remain a principle objective of quality
control for most organizations.