Er. ArnabChakraborty a Calcutta University alumnus with B.Sc. in Physics Hons (First class, Gold medalist), B. Tech and M. Tech in Computer Science and Engineering (First class) has almost twenty years of teaching experience in different universities, colleges and Institutes. He has also completed MBA from Vidyasagar University with dual specialization in Human Resource Management and Marketing Management (as First class First). He is also “Black-Belt Certification” holder on Six-Sigma quality control. He is also PMP (Project Management Professional) trained. He is certified AMT (Accredited Management Teacher) by AIMA (All India Management Association). He is also certified by ISA (USA) on “Control & Automation System”. He is also certified by ISA (USA) on “Control & Automation System”. He has also successfully completed global certifications on NLP and ITIL® 2011 Foundation.