This book is the collection of the research work done for the identifying the plants which could be work as bio-indicator for the heavy metals. This work is the dissertation work of master of Philosophy in chemistry done by Mr. Devendra Kumar Verma, MSc,MPhil,PhD(cont.) Delhi Technological University, Delhi,India. this work concludes some new ideas for removal of heavy metals from our whole sphere. this work will be extremely useful for the researchers of environmental study. Mr.Devendra Kumar verma have also been lecturer in S.V.Degree College,Department of chemistry, Aligarh,India.He has published many papers in national and international journals and conferences. corently he is doing work on polymer science with nanotechnology and environmental study.

Devendra Kumar Verma is a research scholar in Department of Applied Chemistry and Polymer Technology,DTU,Delhi,India.He has done his UG and PG degrees- BSc, MSc, MPhil from Dr.B.R.A.Univ,India.He has also published many papers in national and international conferences and journals.corrently he is doing work on biodegradable polymers and nanot