AppointmentTop Stories Arup Chatterjee appointed Director ( Engineering and R&D), HAL By LO Bureau - April 17, 2018 0 Share FacebookTwitterWhatsAppLinkedinEmailTelegram Arup Chatterjee, General Manager, Hindustan Aeronautics Limited (HAL) has been appointed to the post of Director ( Engineering and R&D), HAL for a period of five years. WhatsApp Group Join Now Telegram Group Join Now