PSU MantraPOWERGRID conferred prestigious ATD Best Awards 2023 by NewsmantraMay 25, 2023May 25, 2023 Share0 POWERGRID has once again been conferred prestigious ATD Best Awards 2023 in a ceremony held at San Diego, California, USA & ranked 17th amongst Top 72 leading global companies. The award recognizes excellence in field of Learning & Development.