Fitment Of Safety Glasses In Operator Cabin Of 04 Nos. Er Shovels P And H-3, Prakash, Akash And Wk 20 Tz, 07 Nos. Hyd. Shovels And Surface Miners Pc-1 And 2, Tata-1 And 2, Be-700 And Surface Miners 1 And 2 And 14 Nos. Drills Of Khadia Project