Gem Bids For Operation And Maintenance Of Other Machines And Plants -providing Of 03 Nos Of Semiskilled, Below Ground Category Ofworkers For Maintenance Of 07 Numbers Of Locomotive At -270l, -370l, -470l & Chikla-b Underground Section Of Chiklamine For Six Mon.., Operation And Maintenance Of Othermachines And Plants - Providing Of 03 Nos Of Un-skilled, Below Ground Category Of Workers For Maintenance Of 07numbers Of Locomotive At -270l, -370l, -470l & Chikla-bunderground Section Of Chikla Mine For Six Mont