Tender for Corrigendum : Supply Of Mining Lab Equipment For Different Govt. Polytechnic 1 - Mohs Hardness Box, Minerals Specimen Samples, Igneous Rocks Specimen Samples, Sedimentary Rocks Specimen Samples, Metamorphic Rocks Specimen Samples, Geological Section Maps From Map Number 1 To 10, Petrological Microscope, Topo Sheet Jharia Raniganj And Rajmahal Are To Be Acquired From Survey Of India Office, Fossils Specimen Samples in Dhanbad - Jharkhand

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