I would like to thank my parents, Dr. N.K. Singh and Mrs. Rambha Singh, for their support and blessings, my wife; Mrs. Swati Singh, for her successfully keeping me healthy and happy; and my adorable son, Master Lakshya Singh, for teaching me how to enjoy the small things in life. I would like to extend my gratitude to Mr. Prashant Jaiswal, whose mentorship and friendship will remain gems of my life, and Chanchal Singh, my esteemed friend, for standing by me in times of trouble and happiness. This note will be incomplete if I do not mention Mr. Anand Deshpande, Mr. Parashuram Bastawade, Mr. Niraj Kumar, Mr. Rajiv Gupta, and Dr. Phil Shelley for giving me exciting career opportunities and showing trust in me, no matter how adverse the situation was.

I would like to thank my parents, Mr. Parasnath Singh and Mrs. Usha Singh, for showering their blessings on me and their loving support. I am eternally grateful to my love, Ms. Jyoti, for being with me in every situation and encouraging me. I would also like to express my gratitude to all the mentors I've had over the years. Special thanks to Mr Abhijeet Shingate who helped me as a mentor and guided me in the right direction during the initial phase of my career. I am highly indebted to Mr. Manish Kumar, without whom writing this book would have been challenging, for always enlightening me and sharing his knowledge with me. I would like to extend my sincere thanks by mentioning a few great personalities: Mr Rajiv Gupta, Mr. Niraj Kumar, Mr. Parashuram Bastawade, and Dr.Phil Shelley for giving me ample opportunities to explore solutions for real customer problems and believing in me.