Dismantling And Erection Of Overhead Line In Road Crossing And Cable Shifting During Marching Of Marian Shovel From Silo Face To View Point And View Point To Ob Face As Well As Shifting Of Cable During Marching Of 541Shovel From Ob Face To View Point/Bccl/Gm/Ar-1/Am (Enm)/E-Tender/ 22-23/58/2022_Bccl_245130_1 (EXPIRED)