00421nam a2200133Ia 4500008004100000040001700041082002400058100002700082245006000109260003600169300000900205650005800214700001500272190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta622.33bC552N  aChowdhury, Subrata Roy 0aNationalisation of coal in IndiacSubrata Roy Chowdhury  aCalcuttabKhoj Parishadc[19-?]  a50p.  aCoal mines and mining-India; Industrial surveys-India  aBose, Joti