Dr. LJ. Chaarlas was Professor & Head of the Department of Commerce & International Trade, Karunya Institute of technology and

Sciences (Deemed University), and earlier as Head of the Department of Commerce, St Joseph’s College (Autonomous), Tiruchirappalli. He

has more than 37 years of experience in teaching and 35 years in skills training. His areas of interest include Income Tax, Marketing, Business

Management, Business Ethics, Human Resource Management, Entrepreneurship, GST, Digital Marketing and Skills Development and

Training. He is a well-acknowledged HR trainer and Quiz Master. He has authored many books: Understanding Behavioural Finance:

Making Decisions, Goods & Services Tax, Essentials of Goods & Services Tax, Problems and Solutions in GST, Digital Marketing and

Essentials of Digital Marketing.

Patrick Joseph Susairaj, who has a Masters in Computer Applications from Madras University, India and M.I.T (Advanced, specializing in

Software Architecture) from QUT, Australia is a Senior Software Developer and Architect, Entrepreneur, Digital Marketing Expert, and

Investor, with over 15 years of experience in software development and around a decade of experience as software consultant in Australia.

Patrick leverages his skills and experience to drive digital transformation for his clients around the world. He has co-authored the books,

Digital Marketing and Essentials of Digital Marketing.