World TB Day is being celebrated every year on 24 March annually to commemorate the date when Dr. Robert Koch announced his discovery of Mycobacterium tuberculosis, the bacillus that causes TB in 1882.
The Mahanadi Coalfields Limited (MCL), in Sambalpur, Odisha has become the leading coal-producing company in India. MCL achieved this feat after its overall coal production crossed 157 million tonnes (MT) in the financial year of 2021-22.