procurement of spares for rana make drill machine , gear box assembly part no . 1 gh , internal gear part no . 2gh , drill chuck , part no . 8gh , motor pinion 10 teeth , part no . 10gh , rotor shaft , part no . 20mh , rotor with shaft , part no . 21mh , fan , part no . 22mh , nut for shaft fan side , part no . 23mh , key for fan , part no . 24mh , drill machine body , part no . 32mh , stator , part no . 31 mh , end cover , part no . 26mh , handle left side , part no . 36mh , handle for pilot switch , part no . 39mh , operating lever , part no . 40mh , fan cover , part no . 48m , pilot switch assembly complete , part no . 47mh , fiber packing for handle , part no . 45mh , screw for pilot switch ( handle ) , part no . 37mh