The world has changed, whether you like it or not. The faster you accept it and faster you convert the threat to opportunity, the better it is, says HCL TechnologiesCEO Vineet Nayar .

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Vineet Nayar, CEO of HCL Technologies, has written a book that describes how he defied conventional wisdom that says companies must put customers first, and helped make HCLT one of the fast growing and profitable IT service companies in the world.

Globalization, corporate citizenship and public-private partnership are among the concepts that entered into the business lexicon at the close of the last century.

What are the roles, responsibilities and risks that will redefine the modern corporation in the 21st century?