Singareni Collieries Coal Mines Karimnagar, Telangana ...
The first traces of coal were discovered by Dr. King of the Geological Survey of India in 1871 near the village of Yellandu in Khammam district. The mining rights for this were issued to Hyderabad (Deccan) Co. Ltd in 1886. Finally, the Singareni Collieries Company Ltd (SCCL) was formed as a public limited company under the Hyderabad Companies act.