Acknowledgments

We express our gratitude to those who have helped us in many ways in making this book a reality:

• To our college administration for providing us a conducive atmosphere and extending immense support to carry out this work.
• To our department colleagues, especially those who, with their valuable inputs by way of suggestions, content-related guidance and discussions, helped us to successfully complete this book.
• To our students for their services.
• To all those who have either directly or indirectly helped us in bringing our efforts to fruition.
• To our families for their constant and favorable encouragement at every step of the way.

We are grateful to our publishers, Pearson Education, India, for making this book a reality. We specifically thank Sojan Jose, Jennifer Sargunar, M. E. Sethurajan, and Thomas Mathew Rajesh for their editorial inputs and for the successful completion of the project.

S. Sivanagaraju
G. Sreenivasan