Copyright © 2002 by Pearson Education (Singapore) Pte. Ltd.

All rights reserved. No part of this publication may be reproduced, stored in a database or retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher.

ISBN 81-7808-726-X

First Indian Print, 2002

Published by Pearson Education (Singapore) Pte. Ltd., Indian Branch, 482 F.I.E. Patparganj, Delhi 110 092, India

Laser typeset by Bharati Composers, Rohini, Delhi

Printed in India at Nutech Photolithographers, Delhi