Prerna Changeriya (Kumawat)
• Assistant Professor in Mewar University, Chittorgarh.
• NET qualified in Environmental sciences (June 2019) 
• MSc. in Environmental Sciences from Dev Sanskriti Vishwavidyalaya, Haridwar,  (2019), 
• BSc. (Physics,Chemistry, Mathematics) from Mohanlal Sukhada, University Udaipur (2017)
That book is called good which is easy for the readers to understand and in which the use of complex words is least. This book has also been written keeping this in mind so that the reader can connect to it and understand it easily. This book has the potential that it can relate to students and provide support to them during their studies. The structure of this book is very organised and thorough.
I believe that the details of every topic in this book is written accurately in a very graspable language and to the highest possible standard. I hope that this book will be very helpful for the students.