open tender for (i) provision of rdso standard height guage at rub nos. 14, 14a, 16, 528, 533, 456, 2, 655, 679, 706a, 28a, 30a, 548, 560, 545, 1, 48up over asansol division (ii) provision of rdso standard height guage in lieu of old type height guage at
