**Dr. Rajendra Sukhjadeorao Dongre**

Department of Chemistry, RTM Nagpur University, India Acknowledgements

I take this opportunity to heartily thank all those who lent hands in any way for finishing this book project. First and foremost, I am thankful to Co-editor, Prof. Dilip R. Peshwe, Head, Professor of Metallurgical-Materials Engineering, VNIT, for

It gives me immense pleasure to recognize the keen and genuine contributions of all authors that made this book a reality. I am grateful to Ms. Jasna Bozic, Author Service Manager, IntechOpen publisher for sustaining incessant contact between

I am indebted and obliged to each of the below mentioned people who have had a huge impact in my academic, research, and professional career for their backing, encouragement, and support, no doubt being precious, graceful, and highly

Prof. R. B. Kharat Ex-Director, Institute of Science, Nagpur-22, MS. India.

Prof. K.SN. Munshi Ex- Head Department of Chemistry, Nagpur University,

Prof. M.G. Paranjape Ex-Head Department of Chemistry, Nagpur University,

Dr. D. S. Ramteke Ex-Head EIRA-Division, NEERI, Nagpur-440020, MS., India.

I pay special gratitude to family friend Shamim Sheikh and well-wishers Aslam Bhaij, Nagpur for their encouragement, inspiring words, and appreciations.

Last but not the least; I express deep gratitude to my adorable parents, beloved wife Ulka, angel daughter Isha and my siblings for their invaluable care, love, and priceless moral support. Above all, I thank the Almighty for the unlimited showers

This book is dedicated to late Sir Stephen William Hawking, a great physicist, cosmologist and Director of the Research Centre for Theoretical Cosmology,

a whole-hearted co-editorship job.

authors and editors.

Nagpur, India.

Nagpur, India.

of blessing.

Cambridge University, UK.

blissful.

### **Dilip Rankrishna Peshwe**

Professor, Department of Metallurgy, VNIT, Maharashtra, India
