procurement of spares for esp internals of unit no. 1 to 4, at sgtps, mppgcl, birsinghpur , spares for esp , split bush for cerm , pin for cerm , distance bracket , carrier bracket , anvil for derm , cerm hammer assembly with clamps , clamps for cerm , roller bearing sub-assembly , round washer , square washer , pin for derm , pedestal bearing for derm , tyre for tyre flex coupling f-90b , shock bar assembly with round washer, clamp washer, nut-bolt etc. , clamps for derm hammer , plain bearing for derm shaft , cerm roller bearingcomplete assembly with pad & stand , clamp washer , ms hexagonal head bolt with nut & washer , m-10x30 mm long (full threaded) , m-12x30 mm long (full threaded) , m-12x70 mm long (half threaded) with special curved washer , m-14x40 mm long (full threaded) , m-16x60 mm long (full threaded) , htbolt with nut & washer gr.-10.9 , 12x30 counter sunk head , 12x90 hexagonal head (full threaded) , 12x90 hexagonal head (half threaded)