Drilling for 02 no 6 inch dia 150 mm non coring cable lowering bore holes from surface to rvi seam at 48r minus 1l jn and 3m east of 48r minus 1l jn for development of rv seam at mic unit of jhanjra project colliery

Construction of 10 nos man holes at drifts from rviic to rviib seam and roof bolting supports at minus 8l to minus 6l along minus 6d in rviic seam of cm project under nakrakonda kumardihi b colliery