Dr. S.L. Gupta is a reader at the MaharajaSurajmal Institute of an affiliate of Guru Gobind SinghIndraprastha University and earlier he was a senior faculty member of Institute of Management Science and Productivity Research. Delhi Productivity Council, New Delhi.      He has been teaching Marketing Management, Marketing Research and Sales and Distribution Management at the Institute since 1992. He has worked in industry to get practical experience in marketing.      An MBA from centre for Management Development, Modi Nagar, Dr. Gupta has been conducting various short-term training programmes for many years.