Dr. Brajesh Kumar is currently working as an Assistant Professor in the Department of Chemistry, TATA College, Chaibasa, INDIA. He received his M.Sc and Ph.D in Chemistry from the University of Delhi, India.He is credited different national and international fellowship and worked as a faculty member in different universities of India, Ecuador and South Korea. He published more than 90 research articles, patents, book chapters and conference paper in the international and national level. He is an active member of the different societies like ACS, ISCB, WASET, IICBEE. He is an editorial member of several international journal and also an active reviewer of more than 50 international journals (Elsevier, Wiley, Springer, Hindwai, De Gruyter, IEEE, etc).

His research interest is the development of sustainable and ecofriendly technique for natural product extraction, purification and analysis, natural polymers, peptide chemistry, microwave and ultrasound assisted organic synthesis, nanoparticles synthesis and their applications for environmental remediation, active films of organic solar cells, nanomedicine, sensors and organic synthesis.