Mr. N. Rajasekaran, a Graduate in Mechanical Engineering, is a certified welding supervisor of AWS. He has more than 39 years of industrial experience in BHEL including 16 years in welding research. He has experience in R&D of electrostatic precipitators and fabrication of boiler auxiliaries with 46 IPRs to his credit. He has been a regular faculty member in courses on welding and allied areas by Welding Research Institute (India), Indian Welding Society, Indian Institute of Metals, Indian Society for Non-Destructive Testing.