Conceptum class 11th Hindi medium

THIS book id for the hindi medium student who want to take admission in the aligarh muslim University aligarh in diploma (polytechnics)+ 10+2 biology + 10+2 maths AMU 

this book is also  help full for JMI entrance exam of Diploma in Engg. and 11th science.

this book is written by amu old boys who have the experience.