To my family, my mother Adilakshmi Devi and father Venkata Reddy, my sisters Shoba and Madhavi, my late grandmother Chenchamma, my brother in law Venugopal Reddy and my nephew Anand Reddy, my father in law Mohan Reddy and mother in law Srilakshmi, my wife Sridevi Reddy, and my son Avin Reddy and to my teachers,