Six Sigma at Wipro

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Case study
Six Sigma at Wipro Technologies: Thrust on Quality

Abstract: Six Sigma at Wipro Technologies: Thrust on Quality
Wipro Technologies is a global services provider delivering technology-driven business solutions that meet the strategic objectives of clients. Wipro has 40+ ‘Centers of
Excellence’ that create solutions around specific needs of industries. Wipro delivers unmatched business value to customers through a combination of process excellence, quality frameworks and service delivery innovation. Wipro is the World's first CMMi
Level 5 certified software services company and the first outside USA to receive the
IEEE Software Process Award.
Wipro has one of the most mature Six Sigma programs in the industry
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Six Sigma is named after the process that has six standard deviations on each side of the specification window. It is a disciplined, data-driven approach and methodology for eliminating defects. The central idea behind Six Sigma is that if you can measure how many “defects” you have in a process, you can systematically figure out how to eliminate them and get as close to “zero defects” as possible.
Six Sigma starts with the application of statistical methods for translating information from customers into specifications for products or services being developed or produced.
Six Sigma is the business strategy and a philosophy of one working smarter not harder.
One sigma gives a precision of 68.27%., two sigma, of 95.45% and three sigma of
99.73%, whereas Six Sigma gives a precision of 99.9997%.Although 99.73% sounds very good, it slowly dawned on companies that there is a tremendous difference between
99.73% and 99.9997%. For ex. For every million articles of mail, the difference is between 66,738 lost items and 3.4 lost items (Exhibit 1).
To achieve Six Sigma Quality, a process must produce no more that 3.4 defects per million opportunities. An opportunity is defined as a chance for nonconformance, or not meeting the required specifications. This means one needs to be nearly flawless in executing key processes. The process and culture is conditioned for zero defects

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