coal grading: Sampling and grading of coal at 427 mines completed; new grades to be applicable for FY24
The Coal Controllers Organisation (CCO), having its field offices at Dhanbad, Ranchi, Bilaspur, Nagpur, Sambalpur, and Kothagudem, carried out the exercise of drawing the coal samples and its analysis from coal and lignite mines for the ongoing financial year.
Source: indiatimes.com