(A)Preventive Maintenance And Dismantle And Erection Of 11 Kv And 440 Volts Overhead Line Of N/S Feeder From Lodna Power House To N/S Workshop And (B)Dg-I And Dg-Ii From Dg Sub-Station Jealgora To Joyrampur Colliery Vi Aand(C)16 No Bhaga From Lodna P