Dr. A. Mustafa, Professor, Engg. College & Tech., Dindigual 624005, Institute of Management Studies, RVS Tamil Nadu State is a versatile genius who has authored more than 40 books in the field of Management Science and Economics. His forty-five years of collegiate teaching service help him to write this book which will certainly delight the students, staff and scholars in the academic arena. He is a multi degree holder with multifaceted talents to deal with any topic in-depth. He is a recipient of Best Teacher Award, Best Educationalist Award, Life Time Achievement Award and ICSSR fellowship.  He has an excellent academic track record in his academic life. He was awarded Ph.D. as early as 1985. He received Proficiency First Prize in the University Examinations held in April/May 1969. He received Proficiency First Prize in the University Second Rank in Diploma in Gandhian Thought and Third Rank in the Postgraduate Diploma in Tourism (Madurai Kamaraj University). He is well known for his oratory and writing skills. Earlier, he served as the Principal of Syed Hameedha Arts & Science College and Director of Sathak Institute of Management, Mohamed Sathak Engg. College at Kilakarai - 623 806.