The editors would like to express their sincere gratitude to large number of
authors from all over the world for submitting their high-quality work in a timely
manner and revising it appropriately at a short notice. We would like express our
special thanks to all the reviewers who reviewed various chapters of this monograph and provided their valuable suggestions to improve the manuscripts.
Rupnagar, India
Himanshu Tyagi
Jodhpur, India
Prodyut R. Chakraborty
Mandi, India
Satvasheel Powar
Kanpur, India
Avinash Kumar Agarwal
Preface
vii