**Acknowledgements**

Inspiration, motivation and presentation have always played a key role in the success of any venture. I express my sincere thanks to "Prof. S. Murugesan" Associate Professor, Department of Pharmacy, Birla Institute of Technology and Science, Pilani being my supervisor and encouraging me to the highest peak and providing me the opportunity to prepare for this research. I feel to acknowledge my indebtedness and deep sense of gratitude to "Dr. Anantha Krishna Chintanpalli" Assistant Professor, Department of Electrical and Electronic Engineering at BITS Pilani for being cosupervisor whose valuable assistance to me in this course has shaped my present work. I am immensely obliged to my friends for their elevating inspiration, encouraging guidance and kind supervision in the completion of my project. Last, but not the least, my parents are also an important inspiration for me. So with due regards, I express my gratitude to them.

