procurement of spares for cerm and derm gear box spare make new allen berry works of esp of unit no 1 to 4 of ph i an ii sgtps mppgcl birsinghpur , spares for cerm optimax geared motor of frame size r93.53vdf71-4rc , 1st stage pinion with key (r-93) , 1st stage gear (r-93) , 2nd stage pinion with key (r-93) , 2nd stage gear with key (r-93) , 3nd stage pinionwith key (r-93) , 3rd stage gear ( r-53) (part no. 64) , 1st stage pinion with key (r-53) , 1st stage gear (r-53) , 2nd stage pinion with key(r-53) , 2nd stage gear (r-53) , spares for derm gear box model-4suc/rf53 vdc71-4 , motor adaptor , carrier (part no. 2c , ist stage pinion with key (part no. 1) , ist stage gear (part no. 2) , 2nd stage pinion shaft with key(part no3) , 2nd stage gear(part no.4)