Maddhapara Granite Mining Company Limited in Dinajpur, the country's only underground hard rock mining operation, has ...

Due to mechanical faults, production at the Maddhapara granite mine in Dinajpur has been temporarily halted. The matter has ...

There are lots of types of rock and each type has different properties and uses. For example, some are strong and hard but others are soft and sandy. Some rocks are harder than others. For example ...