Dear Sudipto, MCC and PLC panel revised darwing,Rev-2 has been uploaded for your approval.We need your final approval for the same.As per your suggestion IN/OUT cable chamber size is changed to 250mm. Legend for the drawing provided. Cable entry is already from top side.We are communicating the energy  meter through PLC from its RS485 port. You can use the ethernet port of PLC to take its data from PLC.