This Guest paper was retrieved for publication with permission, from the greycampus website. It is copyright to Ankit Rastogi © 2018.
Published here June 2019

Editor's Comments and Introduction  | Section I: Lean Methodology | Removing Waste
The Five Principles of Lean | Introduction to Some Important Lean Tools
Section II: Six Sigma | Section III: Lean Six Sigma
Why is Lean Six Sigma Gaining the Importance in Today's Scenario? | Final Takeaway

Ankit Rastogi has more than 9 years in Quality Management Systems, Quality Assurance, Process Improvement, Operational Excellence, Project Management, Quality Audits, Training and Development. He has demonstrated abilities in driving Lean Six Sigma projects and conducting Lean Six Sigma workshops in production and service environments. His credentials include: ASQ certified Six Sigma Black Belt, QMS 9001:2015 Lead Auditor, Certified Project Management Professional, Lean Practitioner and Certified TQM Professional. Ankit may be reached at

Editor's comments

The quality improvement processes discussed in this Guest paper have been developed for repetitive activities or processes in established businesses. They are not, in our opinion, suited to the general run of projects. That is, unless it happens that a particular project has a fairly long run of repetitions in one or more of its activities.

It is better that project activities are set up with a view to appropriate quality in the first place. Then, modified versions of these techniques can be used to prove the quality of the activity, even though the sequence occurs only once.


If you are starting to learn about the concepts of streamlining a business process, you are at the right place. We will introduce you to the methodologies of Lean, Six Sigma and Lean Six Sigma. People with no experience in this area can get an idea of what it is all about. So let's begin.

Figure 1

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