Gebs Of Sdls And Udms Shifting By One Pillar Each After Development Of Pillars Along 16Wl Belt (15R To 21R) For 2 Sdls And 2 Udms And Further 17Wl Belt( 15R To 8R) Section Total 13 Pillars Of Rviib Seam Of Kumardihi A Colliery.