tender for grill for return air duct arrangement of ac coaches, shape and size conforming to rcf drg.no.az44183 alt .d.the material of grill shall be as per is : 733 :83 grade 63400 wp. the grill arrangement shall bematt finish powder coated as per is : 13871:1993 and the color shade of grill arrangement shall be ral-1034-pastel yellow.
