Supply, Installation and Commissioning of PLC CPU module, Upgradation in Existing Panel, supply of RIO panel 01 for, Plant A Technical specification and GA, supply of RIO panel, 02 for Plant A Technical specification and GA as per, Annexure, supply of RIO panel 01 for Plant B, supply of RIO, panel 01 for Plant C Technical specification and GA as per, Installation testing and commissioning of RIO, panel