South Eastern Coalfields Limited (SECL), a Coal India subsidiary, has achieved a significant milestone in overburden removal (OBR), surpassing 281 million cubic meters (MCuM) from April 2024 to date. This marks 105% of its pro-rata target and a 7.58% increase (19.82 MCuM) compared to the same period last year. OBR, a critical pre-coal extraction process …