Arup Chattopadhyay is currently Head, Scientific and Technical Application Group, DOEACC Centre, Kolkata. He is the co-ordinator of the course on Computer Aided Design and Drafting using AutoCAD/AutoLISP. He provides CAD consultancy to the engineering industry and has several years of experience in teaching CAD, FEA and other computer-based applications of engineering. He obtained his master´s in Structural Engineering from Jadavpur University.