It is my pleasure and responsibility to dedicate this book to a few people
without who I am incomplete in several aspects.
First of all, I mention my father, Sri Venkata Lakshmana Murthy
Kolachina, and mother, the late Srimathi Kamala Devi Kolachina, who
gave me this invaluable life, taught me human values, and with whose
blessings, efforts, and encouragement I am now what they envisioned I