Filling Of The Surface Cracks By Soil Above Depillared Panel L ,N And M Of 4,5 And 6 Incline And Panel L, N And M Of 7/8 Incline And Cleaning Of Garland Drain At Surface Near Incline Mouth Of 7/8 Incline And 4,5 And 6 Incline, Dhori(K) Colliery.