Tenders for Supply of Manufacture And Fabrication Of-Complete Assembly Of Spring Setting Device Ssd To Rdso Drawing No. T- 6216/T-6217 For Use With Zu-1-60 Thick Web Switches Bg 1673 Mm For 60 Kg Uic On Psc Sleepers With Specification Provisional, 2008, Corrigendum No.1 Of Dec.2016 With Latest Alt. & Irs Specification No. And Both As Amended Upto 30 Days Before Opening Of Tender