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To my son, Anurag, and my wife, Rashmi, for having patience with me on the many Sundays and a few vacations when this book was mostly written.
– Ajay Mahajan
Dedicated to the memory of my father, Shri R P Gupta.
– Munish Kumar Gupta
To my daughter, Aditi, and my wife, Nithya, for their patience and understanding.
– Shyam Sundar