DR. ATUL KUMAR SRIVASTAVA (M.Sc., Ph.D., NET UPSLET) is currently working as Assistant Professor in the P.G. department of Chemistry at Magadh University, Bodh Gaya, Bihar. He has worked previously as Assistant Professor & Head, Department of Chemistry at S.N.SINHA COLLEGE, JEHANABAD, BIHAR Constituent unit of Magadh University Bodh Gaya) from 2017 to 2019. Before joining to JEHANABAD he worked as Assistant Professor in the P.G.DEPTT of Chemistry M.G.P.G College Gorakhpur, U.P. ( A grant in aid college of U.P. govt. affiliated to DDU Gorakhpur University, Gorakhpur) from 2005 to 2017. He has completed his M.Sc.( ORGANIC CHEMISTRY) & Ph.D. from DDU Gorakhpur University, Gorakhpur. He has 16 years of research/ teaching experience (Both U.G. and P.G. level) in different institutes. He has published eight Research papers in National and International journals of UGC CARE list and has presented many papers in National and International conferences and seminars. His area of research is organic synthesis and Agrochemicals. He got National Scholarship upto Graduate level and got U.P. state Research Scholarship during his Ph.D. MR. ROHIT SRIVASTAVA (M.Sc.NET., Gold Medalist) is presently working as an Assistant Professor in the Department of Chemistry St. Andrew’s College. Gorakhpur. U. P. He has pursued his higher education from St. Andrew’s College, Gorakhpur and DDU Gorakhpur University, Gorakhpur. He has 15 years of teaching experience at UG and PG level. He has done his specialization in physical chemistry and his area of research is membrane phenomenon, nanomaterials and semiconductor devices and their role in solar cells. He has published many papers and articles in national and international journals and has presented 10 paper’s in different conferences and seminars. He has conducted national conference and delivered many lectures in different workshops. He owns a credit to contribute chapter’s on varied topics in books having ISBN number.