This book has been published with all reasonable efforts taken to make the material error-free after the consent of the author. No part of this book shall be used, reproduced in any manner whatsoever without written permission from the author, except in the case of brief quotations embodied in critical articles and reviews.

This book is exclusively meant for the aspirants of High School having affinity of improving oneself through guided practices. This Handbook is a part of the entire handbook series meant for High School students. Subject areas for this series are selected on the basis of feedbacks coming periodically from different sources time to time.

This Publication series will also equip the fellow parents for guiding their ward for some higher challenges. The ultimate objective of this publication is to expose students to some advanced challenges related to the subject area cncerend.

All the contents and related figures are designed by the author.