Copyright Page

Copyright 

Copyright Protections: All Rights Reserved. © Copyrighted to Ardhendu De and his legal heirs.

" Content posted on my web pages are for educational purpose only. No part of this blog publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system for commercial purpose, without permission in writing from the publisher. If there is any copyright infringement, be kind enough to report the author."

Image: Courtesy to Teachers Pay Teachers, Wikipedia, Pixabay, Meta AI