procurement of various type of conveyor roller frames for 2x600mw chp-i and 2x 660 mw, chp-ii, sstpp, mppgcl, dongalia, khandwa , frame for 3 roll adjustable transition idlers ( 5°-30° ) , frame for 3 roll adjustable transition idlers ( 5°-20° ) , frame for 3 roll adjustable impact transition idlers ( 5°-30° ) , frame for 3-equal roll troughing training idlers ( 35° ) , frame for 3-equal roll troughing training idlers ( 20° ) , frame for 3-equal roll impact idlers ( 35° ) , frame for 3-equal roll impact idlers ( 20° ) , frame for single roll return training idler , frame for 3-equal roll machined carrying idler ( 35° ) , frame for 3-equal roll weighing idler ( 35° ) , frame for 3-equal roll non-magnetic troughing idler ( 35° ) , frame for 3 roll staggered idler ( 35° ) , frame for single roll deflector idler , frame for 2-equal roll carrying idler , frame for 2-equal roll flat return idler