E-Waste Management Framework for Generation of EPR Certificate under E-Waste (Management)  Rules, 2022  In continuation of the recently released arrangement for EPR credit transfer, CPCB has now come up with a framework for the generation of EPR certificates.  CPCB has classified the metals into the following groups: S. No Group Metal 1. Precious metal Gold (Au) 2. Non-Ferrous  Copper