Tender for Testing Of 11 Kv And 3.3 Kv Cts By Primary Injection Set Ir Test And Dga Test Etc And Issuance Of Test Certificates Of Electrical Installations For Dgmg Permission Installed At Libra Face And 3 Pit Sub-station Kujama Colliery Under Lodna Area . in Dhanbad - Jharkhand

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