(A) Repairing And A.P.P Of Roof Of Machinery House For 03 Nos. Machines I.E. 195-Be Shovel Si No. Exc-1075, 182 M Shovel Sl No. Exc-1851 And Ekg-5A Shovel Si No. Exc-2859 Of Kathara Colliery And (B) Repairing And A.P.P Of Roof Of Machinery House For