supply and stacking of 110000 cum 50mm size machine crushed track ballast confirmingrdsos specification irs-ge-i june-2004 with up to date correction slips, for bg railwaytrack for kosiara siding and loading the same into bobyn/open wagon and othermiscellaneous work related with development of kosiara ballast siding for various projectsunder cao/con/south and ddu divisionbidding type normal tender .