What is isu in tcs?

TCS' Industry Solution Units (ISU), serve customer with a focus on domain expertise in a specific industry vertical and operating globally by providing customer with a single view of TCS i. ISU ( Industry Solution Units) is operated by TCS which aims to the costumers and outside market. ISU stands for INDUSTRY SOLUTION UNITS. It is almost impossible for you to get release from that projects,so better leaving TCS itself instead off begging them for release. "getting/selecting/choosing projects/ISU in TCS(TATA CONSULTANCY SERViCES)".