Over the years, advancement in technology has revolutionised different aspects of manufacturing. From the first Industrial Revolution to the present Fourth Industrial Revolution (Industry 4.0), one thing is certain, human inventions and developments in the field of manufacturing, aimed at improving productivity, with complete elimination of waste and human errors. The ongoing automation of traditional industrial practices helps organisations achieve the utmost level of perfection and excellence. While talking about Industry 4.0, the term 'Lean' is inevitable. The basic idea of 'lean' is to eliminate waste and inefficiency in manufacturing operations without compromising productivity.