Manufacturing, Supplying and stacking of machine crushed stone track ballast from private quarries conforming to latest RDSO ' s specification with up to date correction slips along the track at different locations as per direction of engineer- in- charge for track linking work between Gorakhpur Cantt ( Incl )- Valmikinagar ( Excl. ) section in connection with doubling of Gorakhpur Cantt to Valmikinagar Project of Varanasi Division N. E. Railway