Geotechnical has recommended for excavate coal at the south sub-pit , after that fill up overburden from elevation 550 m. to 580 m. (MSL) with slope 1:1 show as below
Geotechnical has recommended for excavate coal at the south sub-pit , after that fill up overburden from elevation 550 m. to 580 m. (MSL) with slope 1:1 show as below