My sincerest thanks and appreciation go to several people...

My wife Ramya

My son Srikrishna

My daughter Siva Ranjani

My parents Subramaniam and Lalitha

And my colleagues and friends

Chandramouli

This book is dedicated to the people without whom the dream couldn't have come true—My parents Tarun Kumar Dutt and Srilekha Dutt, my wife Adity and my sons Deepro and Devarko

Saikat Dutt

Editor—Acquisitions: Sameer Gupta

Associate Editor—Production: M.R. Ramesh

Copyright © 2012 Dorling Kindersley (India) Pvt. Ltd

This book is sold subject to the condition that it shall not, by way of trade or otherwise, be lent, resold, hired out, or otherwise circulated without the publisher's prior written consent in any form of binding or cover other than that in which it is published and without a similar condition including this condition being imposed on the subsequent purchaser and without limiting the rights under copyright reserved above, no part of this publication may be reproduced, stored in or introduced into a retrieval system, or transmitted in any form or by any means (electronic, mechanical, photocopying, recording or otherwise), without the prior written permission of both the copyright owner and the publisher of this book.