CentralEventsPress ReleasesPSU Siddhart Singh appointed as Non-Official Independent Director | HAL By saurabh - March 6, 2018 0 36 FacebookTwitterPinterestWhatsApp HAL Shri Siddhart Singh has been appointed as Non-Official Independent Director on the Board of Hindustan Aeronautics Limited (HAL) for a period of three years. IndianBureaucracy.com wishes Shri Siddhart Singh the very best.