Tenders for Proposal For Hiring Of Escorting Skilled Out-Sourced Staff For En-Route Trouble Shooting, Operation, Record Keeping, Attachment And Detachment Of Hog Coupling In The Trains Originating From Sealdah Station For Any Type Of Special Trains Sg & Lhb For One 01 Year Except Three Premium Trains Like 12313/12314 Sdah- Ndls Rajdhani Exp, 12259/12260 Sdah-Bkn Duranto Exp., And 22317/22318 Sdah-Jat Hamsafar Exp.