Working with Union Carbide India Limited (a USA based multi-national organization), Metal Box Company of India Limited (a UK based multi-national organization), Hindustan Fertilizer Corporation of India/Fertilizer Corporation of India (Government of India undertaking), Ray & Ray, Calcutta (a management consultancy firm of all India repute) and Institute of Management Studies, Kolkata (a MBA teaching institute for post graduate student of all India repute), I have 44 years of experience in mechanical engineering, operational research, project management, financial management, management audit, administration & corporate management.