NIOS Class 12 EVS Book English TOP Publications. Reference Book cum Guide Book for Environmental Science of NIOS Class 12th (Senior Secondary). Prepared and designed strictly in accordance with the syllabus and examination pattern. The Guide Book cum Help Book consist of solved question papers, sample paper, assignment, and chapters divided into Modules. It also consist of Questions for Practice asked on the basis of the Modules. Thus, it helps students to understand and revise important concepts.
On sale since 2009.