First of all I would like to thank the almighty and my family, who have always guided me to walk on the right path in life. I acknowledge, with a deep sense of gratitude and most sincere appreciation, the valuable guidance and unfailing encouragement rendered to me by Mr. Arjun Gupta. I would like to thank him for his proficient, enthusiastic guidance, useful encouragement, and immense help.

I would also like to thank Miss. Sulek Shrikrishna Mulay for being an amazing teacher and guide and for taking pains to technically review this book.

I wish to extend my sincere gratitude to Aurita, Yogesh, and Joel from Packt Publishing for their guidance and valuable suggestions, which proved extremely useful and helpful in the completion of this book.My heartfelt gratitude and indebtedness goes to all those people in my life who gave me constructive criticism, as it contributed directly or indirectly in a significant way towards the completion of this book. My special thanks goes to my friend Raghav and my colleagues, especially Vikas, Shreshtha, Arup, Abhishek, and Sameer, for their support and encouragement, which has been a constant source of assurance, guidance, strength, and inspection to me.