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Six Sigma Deployment at Tata Communications Limited, India - A Case Study
Senthil Kumar Anantharaman,
Published in CERN Data Centre & Invenio
Volume: 12
Pages: 1 - 22
Tata Communications Limited, a leading global telecom giant headquartered in Mumbai, India was facing a grave situation of losing clients in its unified communication services. The situation arose due to high delivery turnaround times in order processing which were mainly due to redundant process steps and sales operations. This case provides, a step-bystep analysis in continuous improvement and deploying Six Sigma systematically. Students apply the structured Six Sigma based Define, Measure, Analyse, Improve and Control (DMAIC) methodology to improve the process. They define the problem, collect appropriate measures, calculate sigma levels using process capability analyses and arrive at root causes using fishbone and affinity diagrams. Students also brainstorm common sense solutions to address and prioritise the root causes using appropriate tools such as prioritisation matrix. Finally, students suggest suitable plans to control and sustain the solutions. Our case helps students to understand the basics of Six Sigma in solving complex problems faced in a telecom-oriented service industry thereby providing them with experience of real-world industry problems.
About the journal
JournalOperations Management Education Review
PublisherCERN Data Centre & Invenio
Open AccessNo