Paste filling is an advanced underground mining technique that negates the need for surface land acquisition. Post coal extraction, the voids are filled with a paste composed of fly ash, crushed ...

SECL, a Coal India subsidiary, signs a Rs 7,040-crore agreement with TMC Mineral Resources to implement paste filling technology in coal mining. This method promises to enhance the structural ...

SECL, a subsidiary of Coal India, has partnered with TMC Mineral Resources to adopt paste filling technology for large-scale coal ... employing load haul dumpers and universal drilling machines for ...