ACKNOWLEDGEMENT I am highly grateful to the Director General,Roorkee College of Engineering, Roorkee, for providing me the opportunity to carry out my research. I would like to thank wholeheartedly Director,Roorkee College of Engineering, Roorkee for encouragement, solicited advice and all kind of help extended to me during the completion of this work. I express my deep sense of gratitude to my Research Supervisor MR. SANDEEP KUMAR SINGLA for his expert guidance, stimulating discussions as…