it was observed that appreciable quantities of some bituminous coals were soluble (or dispersible) in alcoholic potash. A Northumberland coal containing 82·6 per cent of carbon and 5.1 per cent ...

CHENNAI: One of the first FIRs filed by Tamil Nadu’s Directorate of Vigilance and Anti-Corruption (DVAC) in 2025 throws light on the possible extent of corruption in construction of roads in the city.