About the book
Central Board of Secondary Education (CBSE) has made changes in the investigatory projects and few experiments in their latest syllabus. This prompted us to bring out the sixth edition of the book. All the New investigatory projects and experiments as prescribed by CBSE have been incorporated in the book which is in your hands. Further, the book has been updated keeping in mind the suggestion of the reader. The text and the practical’s have been updated.
It is hoped that the book in the present from shall be more useful for the readers.
About the author