supply of rail panel unloading systemrail panel unloading system,rail panel unloading system as per rdsos drg no. tm/02/17 per set consisting of the following items:- 1) two nos of linking u clamp as per rdso drg no. tm/02b/17. 2) two n os of linking block as per rdso drg. no. tm/02a/17. 3) two nos of d shackle as per drawing. 4) one no of chain of links. 5) two nos of pin dia as per drawing. load tested of 20 mt will be done & test certificate will be provide from govt approved lab. firms offer- as per tend er clause and 02 nos of link will consist 20 ton load capacity. [ warranty period: 30 months a fter the date of delivery ] ]