Sealed offers in Single bid system are invited from RDSO approved vendors for supply of BRAKE SLACK ADJUSTOR COMPLETE ( Type IRSA 750 ) and spare with Empty Load Device ( IR- ELD- 10 ) for Freight Stock, Spindle and Control Rod ( 1255 mm ) as per RDSO Drg. & Specification at Kolkata Works Download Tender Document Tender for Brake Slack Adjuster ( SAB ) (. pdf ) [ 905. 21 KB ]